The Practical Buyer’s Guide: 5 Key Features for the Perfect Tea Infuser Travel Mug in 2025

Abstract

The tea infuser travel mug represents a significant convergence of modern mobility and the enduring ritual of loose-leaf tea consumption. This article examines the essential characteristics that define a superior tea infuser travel mug in 2025, moving beyond mere aesthetics to an in-depth analysis of material science, thermal dynamics, and ergonomic design. It posits that the selection of such a vessel is not a trivial consumer choice but a decision that directly impacts the quality, flavor, and sensory experience of the tea ritual itself. Through a structured evaluation of five key features—material composition, infuser basket design, lid integrity, thermal performance, and long-term usability—this guide provides a comprehensive framework for the discerning consumer. By dissecting the functional anatomy of these mugs, the article argues that an informed choice enables the preservation of the tea’s nuanced character, transforming the daily commute or travel into an opportunity for a mindful and perfectly brewed moment of tranquility.

Key Takeaways

• Select double-walled stainless steel for maximum durability and heat retention.
• Choose a wide, deep infuser basket to allow tea leaves to fully expand.
• Ensure the lid has a secure, leak-proof locking mechanism for travel.
• A quality tea infuser travel mug stops the brewing process on your command.
• Prioritize mugs with wide mouths and removable gaskets for easy cleaning.
• Consider thermal performance to avoid over-steeping your delicate teas.
• Verify the base fits standard cup holders for practical daily use.

Table of Contents

• The Dilemma of the Modern Tea Drinker
• Anatomy of the Ideal Tea Infuser Travel Mug
• Material Comparison for Travel Mugs
• Infuser Basket Types and Best Uses
• Feature 1: Material Mastery and the Sensory Experience
  • The Steadfast Guardian: 18/8 Stainless Steel
  • The Transparent Vessel: Borosilicate Glass
  • The Lightweight Contender: BPA-Free Polymers
• Feature 2: The Heart of the Matter: The Infuser Basket
  • The Principle of Expansion: Why Size Matters
  • Mesh Fineness and Water Flow Dynamics
  • Controlling the Brew: The Importance of Removability
• Feature 3: The Guardian of Your Beverage: Lid Integrity and Ergonomics
  • The Science of a Perfect Seal
  • The Ergonomics of Sipping
  • Designing for a Life in Motion
• Feature 4: The Physics of a Perfect Temperature
  • Understanding Vacuum Insulation
  • The Double-Edged Sword of Heat Retention
  • Practical Expectations for Thermal Performance
• Feature 5: Living with Your Mug: Usability and Maintenance
  • The Virtue of Easy Cleaning
  • Ergonomics, Portability, and Compatibility
  • Assessing Durability and Longevity
• The Ritual of Tea on the Go
  • Selecting the Right Leaves for Your Journey
  • A Step-by-Step Guide to Brewing in Motion
  • Finding a Moment of Mindfulness
• Frequently Asked Questions (FAQ)
• A Final Thought on Form and Function
• References

The Dilemma of the Modern Tea Drinker

We exist in a state of perpetual motion. Our lives are often characterized by a forward momentum that prioritizes efficiency, speed, and productivity. Yet, within this rush, there is a deep-seated human yearning for moments of pause, for rituals that ground us and connect us to a sensory experience beyond the digital glow of a screen. For many, the act of preparing and drinking tea is precisely such a ritual. It is a deliberate process, from selecting the leaves and hearing them rustle, to watching them unfurl in hot water, to inhaling the complex aroma before the first sip. This practice stands in stark contrast to the grab-and-go reality of a morning commute or a busy workday.

The conflict arises when the desire for a high-quality, loose-leaf tea experience collides with the practical constraints of a mobile lifestyle. The options have historically been poor compromises: pre-brewing tea at home, only to have it turn cold and stale; resorting to the mediocrity of a generic tea bag at the office; or forgoing the ritual altogether. This is not merely a matter of taste but of experience. The full character of a delicate green tea, a complex oolong, or a robust black tea is lost when its preparation is compromised. The tea infuser travel mug emerges not simply as a product but as a philosophical and practical solution to this very modern dilemma. It is an instrument designed to reconcile the contemplative nature of the tea ritual with the demands of a life in transit.

Anatomy of the Ideal Tea Infuser Travel Mug

Before we can assess the qualities of a superior mug, we must first understand its constituent parts and how they function in concert. A tea infuser travel mug is more than a simple container; it is an integrated brewing system. Each component must be thoughtfully designed to contribute to the final goal: a perfectly steeped, flavorful cup of tea that can be enjoyed anywhere, without leaks or compromises.

At its core, the mug consists of three primary elements: the main vessel, the infuser basket, and the lid. The vessel provides the structure and, most critically, the insulation. The infuser basket holds the loose-leaf tea, allowing water to circulate while keeping the leaves contained. The lid seals the vessel, preventing spills and contributing to thermal retention, while also providing the mechanism through which one drinks. The genius of a well-designed tea infuser travel mug lies not just in the quality of these individual parts, but in their harmonious interaction. It allows for the brewing process to be initiated and, just as importantly, concluded at the precise moment required, preserving the tea’s intended flavor profile and preventing the bitterness that comes from over-steeping.

Material Comparison for Travel Mugs

Infuser Basket Types and Best Uses

Feature 1: Material Mastery and the Sensory Experience

The choice of material for a tea infuser travel mug is the foundational decision from which all other qualities extend. It dictates the mug’s thermal performance, its durability, its weight, and, most subtly, its influence on the flavor of the tea itself. This is not merely a technical specification; it is a choice about the kind of sensory experience one wishes to cultivate.

The Steadfast Guardian: 18/8 Stainless Steel

The most prevalent material for high-performance travel mugs is 18/8, or 304, food-grade stainless steel. The designation “18/8” refers to its composition of 18% chromium and 8% nickel, an alloy prized for its exceptional resistance to corrosion and rust (International Stainless Steel Forum, n.d.). Its primary virtue in this context is its chemical inertness. Unlike lower-grade metals or certain plastics, it does not leach flavors into the beverage, nor does it absorb the aromatic oils from previous brews. This ensures that a delicate Silver Needle white tea will not be tainted by the ghost of a smoky Lapsang Souchong brewed the day before.

When constructed with a double-walled, vacuum-insulated design, stainless steel becomes a fortress against temperature change. The vacuum between the inner and outer walls dramatically impedes the transfer of heat through conduction and convection, keeping beverages hot for many hours. This makes it the unparalleled choice for the long-haul commuter who brews tea at 7 a.m. and wishes for it to still be warm at noon. The trade-off is opacity. One sacrifices the visual pleasure of watching the tea leaves dance and unfurl, a key part of the ritual for many. The experience becomes focused on the warmth in the hand and the eventual flavor, rather than the process itself.

The Transparent Vessel: Borosilicate Glass

For the purist who prioritizes flavor and visual beauty above all else, borosilicate glass is the material of choice. Unlike standard soda-lime glass, borosilicate glass is made with silica and boron trioxide, giving it a very low coefficient of thermal expansion (Varshneya, 2019). This means it can withstand rapid and extreme temperature changes without cracking—a property that is non-negotiable when pouring boiling water into it on a cold day.

Its primary appeal is its absolute neutrality. Glass is non-porous and imparts no taste whatsoever, presenting the tea’s flavor profile in its most unadulterated form. Furthermore, it offers a window into the brewing process. The visual ritual of watching a tightly rolled oolong leaf slowly unfurl or the vibrant colors of flowering teas infusing the water is preserved. Most high-quality glass tea infuser travel mugs employ a double-walled design, which traps a layer of air between the walls. This provides a degree of insulation—keeping the exterior comfortable to touch and the tea warm longer than a single-walled vessel—though it rarely matches the performance of a vacuum-insulated steel mug. The inherent fragility of glass, even durable borosilicate, remains its principal drawback. It demands a more careful user, one who values the aesthetic and gustatory experience over rugged indestructibility.

The Lightweight Contender: BPA-Free Polymers

In recent years, advanced plastics like Tritan have emerged as a viable third option. Tritan is a copolyester that is free of bisphenol A (BPA), an industrial chemical that has raised health concerns. Its main advantages are its light weight and its impressive durability; it is virtually shatterproof, making it an excellent choice for hiking, camping, or any activity where both weight and resilience are paramount.

While modern polymers are far superior to their predecessors in terms of flavor neutrality, they are not as perfectly inert as glass or high-grade steel. Over extended use, particularly with very strong, oily teas, they can sometimes retain faint odors or stains. Their thermal performance is also generally inferior to that of vacuum-insulated steel. However, for a user who needs a lightweight, unbreakable vessel for a shorter commute or a trip to the gym, a high-quality, BPA-free plastic tea infuser travel mug offers a compelling and practical balance of features.

Feature 2: The Heart of the Matter: The Infuser Basket

If the vessel is the body of the mug, the infuser is its heart. The design and quality of this single component have the most direct impact on the quality of the infusion. A poorly designed infuser can lead to a weak, underdeveloped flavor or, conversely, a cup full of unpleasant sediment. The principles of a good infuser are rooted in the physics of tea brewing itself.

The Principle of Expansion: Why Size Matters

When dry tea leaves are introduced to hot water, they rehydrate and expand, often to many times their original size. This process of unfurling is what releases the complex array of flavor compounds, catechins, and aromatic oils into the water. For this to happen effectively, the leaves need space to move and expand freely.

This is why a large, wide infuser basket is a non-negotiable feature of a quality tea infuser travel mug. A small, cramped infuser—often called a “tea ball”—forces the leaves into a tight, dense clump. Water cannot circulate freely through this mass, and the leaves on the inside of the clump never get the opportunity to fully open and release their character. The resulting brew is often thin and one-dimensional. Look for a mug with an infuser basket that is both wide and deep, ideally one that extends far into the body of the mug. This provides ample room for even the largest whole-leaf teas, such as a hand-rolled oolong or a delicate white peony, to “dance” in the water and achieve a full, even extraction.

Mesh Fineness and Water Flow Dynamics

The second function of the infuser is to contain the tea leaves, preventing them from floating freely in the mug. The size of the holes in the mesh is a delicate balancing act. If the holes are too large, small particles of broken tea leaves, or naturally fine teas like rooibos, will escape into the brew, creating a gritty, unpleasant texture. If the holes are too fine, they can impede the flow of water and, in some cases, become clogged by the tea’s natural oils and particulates, leading to an incomplete infusion.

The ideal infuser uses a very fine stainless steel mesh or has precisely micro-etched holes. This construction is fine enough to contain even small herbal tisanes while still allowing for excellent water circulation. When examining a potential tea infuser travel mug, hold the basket up to the light. You should be able to see through it, but the individual holes should be barely discernible to the naked eye. This indicates a mesh that is likely to perform well across a wide variety of tea types.

Controlling the Brew: The Importance of Removability

Different teas require different steeping times. A Japanese green tea might need only 60 seconds, while a robust herbal infusion could require 10 minutes or more. A critical feature of any serious tea infuser travel mug is the ability to stop the infusion process at the desired moment. If the infuser cannot be separated from the water, the tea will continue to steep, inevitably leading to bitterness and astringency as tannins are over-extracted.

The best designs feature an infuser basket that can be easily removed once the steeping is complete. You simply lift it out, place the lid back on, and your tea is ready to travel, perfectly brewed. Some designs offer clever alternatives, such as a mechanism that isolates the infuser in a dry chamber above the water line or a press that separates the leaves at the bottom. Regardless of the specific mechanism, the principle is the same: the user must have complete control over the duration of the infusion. A mug that does not offer this capability is not a brewing tool, but merely a container for what will soon become over-brewed tea.

Feature 3: The Guardian of Your Beverage: Lid Integrity and Ergonomics

A travel mug’s lid serves a dual purpose that is often underappreciated. It is both the gatekeeper, responsible for preventing the hot liquid from escaping, and the interface through which we experience the beverage. A failure in either of these roles can ruin the entire experience, leading to a frustrating mess or an awkward and unsatisfying sip.

The Science of a Perfect Seal

The promise of a “leak-proof” mug is one that is easy to make but difficult to achieve. True leak-proofing is a matter of precise engineering. It typically relies on a combination of high-quality silicone gaskets and a secure closure mechanism. Silicone is the material of choice for gaskets because it is flexible, durable, heat-resistant, and does not impart any flavor. These gaskets, often in the form of O-rings, must fit snugly into grooves in the lid or along the rim of the mug to create an airtight and watertight seal when the lid is closed.

The closure mechanism itself is just as important. A simple friction-fit lid will almost never be truly leak-proof. A superior tea infuser travel mug will feature a screw-on lid, which uses threads to create even, consistent pressure on the gasket. The best designs add a secondary locking mechanism—a flip-top cap that snaps securely shut, a sliding button, or a rotating lock—that prevents the lid from accidentally opening or the sipping port from being exposed when jostled in a bag. When testing a mug, fill it with water, secure the lid, and confidently turn it upside down and shake it. There should be no sign of leakage.

The Ergonomics of Sipping

How we drink from the mug is a crucial aspect of its design. The shape and size of the sipping port dictate the flow of the liquid and how it feels against the lips. A poorly designed spout can cause the tea to gush out too quickly, increasing the risk of burns, or dribble down the side of the mug. A good design provides a controlled, steady flow that feels natural and comfortable.

Furthermore, the design should account for the aroma of the tea. A significant portion of our sense of taste is derived from our sense of smell. A lid with a very small sipping hole and no separate air vent can trap the tea’s aroma inside the mug. Better designs often feature a larger opening or a separate, small air hole positioned near the sipping port. This allows the steam and aroma to escape towards your nose as you sip, creating a much richer and more complete sensory experience that honors the complexity of the curated range of classic loose‑leaf teas you’ve chosen.

Designing for a Life in Motion

For the commuter, the parent, or anyone with their hands full, the ability to operate the mug with one hand is a significant practical advantage. This has led to the development of lids with push-button mechanisms. A single press opens a valve for drinking, and a second press seals it shut. These designs can be incredibly convenient, but their complexity can sometimes make them more difficult to clean thoroughly and potentially more prone to failure over the long term compared to a simpler screw-top or flip-top design. The choice between ultimate convenience and simple, robust reliability is a personal one, dependent on how and where you most often plan to use your tea infuser travel mug.

Feature 4: The Physics of a Perfect Temperature

The ability of a travel mug to maintain temperature is perhaps its most celebrated feature. However, for a tea brewer, this capability is more nuanced than simply “keeping it hot.” The ideal thermal performance must serve two distinct functions: allowing the tea to brew at the correct temperature and then keeping it at a pleasant drinking temperature for an extended period.

Understanding Vacuum Insulation

The gold standard for thermal performance is double-wall vacuum insulation, found almost exclusively in stainless steel mugs. This design involves an inner wall and an outer wall, with the air between them having been pumped out to create a vacuum. This is exceptionally effective because it mitigates the three forms of heat transfer. Conduction (heat transfer through direct contact) is stopped because there are very few molecules in the vacuum to transfer the heat. Convection (heat transfer through the movement of fluids or gases) is also eliminated for the same reason. Finally, the inner wall is often coated with a reflective layer (like copper) to reduce heat transfer via thermal radiation (Lerner & Trigg, 2005).

The result is a vessel that is remarkably efficient at maintaining the temperature of its contents, whether hot or cold. A high-quality vacuum-insulated tea infuser travel mug can keep tea hot for 6-12 hours or even longer, a feat that is simply unattainable with glass or plastic models.

The Double-Edged Sword of Heat Retention

While exceptional heat retention is generally desirable, it can present a unique challenge for the tea enthusiast. Different types of tea require different brewing temperatures. Green teas, for example, are best brewed with water well below boiling (around 75-80°C or 167-176°F) to avoid scorching the leaves and creating a bitter taste (Hicks et al., 1996). If you pour near-boiling water into a highly efficient vacuum-insulated mug and seal it, the water temperature will drop very slowly. This can make it difficult to achieve the correct brewing temperature for delicate teas.

Moreover, a mug that keeps tea piping hot for hours can also mean the tea is too hot to drink for hours. This requires a change in brewing strategy. One effective method is to brew the tea with the lid off for the required time to allow for some initial cooling. Another is to add a small amount of cool water after the infusion is complete to bring the beverage down to a drinkable temperature before sealing the lid for travel. Understanding the thermal properties of your specific tea infuser travel mug is key to mastering your on-the-go brewing technique.

Practical Expectations for Thermal Performance

Manufacturers’ claims about heat retention (“keeps hot for 24 hours!”) should be viewed with a degree of skepticism. These are often based on ideal laboratory conditions. In real-world use, factors like the starting temperature of the liquid, the ambient air temperature, and how often you open the lid will all affect performance. A more realistic expectation for a top-tier vacuum-insulated mug is that your tea will remain pleasantly hot (above 60°C or 140°F) for at least 5-8 hours, which is more than sufficient for most daily needs. For double-walled glass mugs, you might expect 1-2 hours of effective heat retention.

Feature 5: Living with Your Mug: Usability and Maintenance

A tea infuser travel mug can have the best materials and thermal performance in the world, but if it is difficult to use or a chore to clean, it will likely end up gathering dust in a cupboard. The final set of features to consider relates to the practical, everyday experience of living with the mug. These are the details that transform a good product into a beloved daily companion.

The Virtue of Easy Cleaning

Tea leaves, especially when finely cut, can get into small crevices and become difficult to remove. Over time, tea residue can build up, leading to stains and off-flavors. A mug designed for easy cleaning is therefore essential for long-term enjoyment.

The first element to look for is a wide mouth opening. A wider opening allows you to easily fit your hand or a cleaning brush inside to scrub the interior walls. Second, examine the lid. Lids with complex, one-touch mechanisms can have nooks and crannies that are difficult to reach. Look for lids that can be easily disassembled, allowing you to separate the parts and clean the gaskets and valve mechanisms thoroughly. Removable silicone gaskets are a must, as residue can build up underneath them. Finally, consider whether the components are dishwasher-safe. While hand-washing is often recommended for preserving the finish and longevity of a mug, the convenience of being able to place the lid and infuser basket in the dishwasher can be a significant advantage for busy individuals.

Ergonomics, Portability, and Compatibility

How the mug feels in your hand is a subtle but important factor. A design that is too wide may be difficult to grip securely, while one that is too narrow might feel unstable. Some mugs incorporate textured grips or ergonomic shaping to improve handling.

The dimensions of the mug’s base are also a critical practical consideration. Before purchasing, check if the base diameter is designed to fit in a standard car cup holder or the side pocket of your backpack. A mug that doesn’t fit your primary mode of transport will quickly become an inconvenience. The overall height and capacity should also align with your needs. Do you need a large 20-ounce vessel to get you through the morning, or is a more compact 12-ounce size sufficient and more portable?

Assessing Durability and Longevity

A well-made tea infuser travel mug should be viewed as a long-term investment, not a disposable item. The overall build quality is a key indicator of its potential lifespan. Does it feel solid and well-constructed? Are the threads on the lid smooth and precisely machined? Does the locking mechanism engage with a satisfying and secure click?

Pay attention to the manufacturer’s warranty. A company that offers a limited lifetime warranty on its products is demonstrating confidence in their durability. Additionally, check if the company sells replacement parts, such as lids or gaskets. The ability to replace a single lost or broken component is far more sustainable and economical than having to replace the entire mug. A product with available replacement parts is one designed to be used and loved for years to come.

The Ritual of Tea on the Go

Owning the perfect tea infuser travel mug is only the first step. The next is to master the art of using it to create a beautiful tea experience, no matter where you are. This involves selecting the right teas and adapting your brewing process to this unique vessel.

Selecting the Right Leaves for Your Journey

While any tea can be brewed in a travel infuser, some are more forgiving of the variable conditions of on-the-go brewing. Robust teas with flexible brewing parameters are often excellent choices.

• Oolong Teas: Many rolled oolongs, particularly those from Taiwan, are very forgiving. They can be steeped for longer periods without becoming overly bitter and often yield multiple flavorful infusions.
• Black Teas: Hearty black teas like Assam, English Breakfast, or Yunnan Dian Hong stand up well to travel. Their bold flavors are less likely to be diminished by the conditions of a commute.
• Herbal Tisanes: Most herbal teas, such as chamomile, peppermint, or rooibos, are naturally caffeine-free and almost impossible to over-steep. You can often leave the infuser in for the entire duration of your drink, as the flavor will simply continue to develop.
• Delicate Teas: While possible, brewing delicate green and white teas requires more attention. You must be diligent about using the correct water temperature and removing the infuser at the precise time to avoid bitterness.

A Step-by-Step Guide to Brewing in Motion

1. Heat Your Water: Heat your water to the appropriate temperature for your chosen tea. If using a highly insulated mug for a delicate tea, consider heating the water slightly below the target temperature.
2. Preheat the Mug (Optional): For maximum heat retention, pour a small amount of hot water into the empty mug, swirl it around for 30 seconds, and then discard it. This pre-warms the inner wall.
3. Add Tea Leaves: Place the desired amount of loose-leaf tea into the infuser basket. A general guideline is one teaspoon per 8 ounces of water, but this can be adjusted to your preference.
4. Insert Infuser and Add Water: Place the infuser basket into the mug and pour the hot water over the leaves. Fill to just below the threads for the lid.
5. Steep: Refer to the recommended steeping time for your tea. You can either place the lid on loosely during this time or leave it off to allow for some cooling.
6. Remove the Infuser: Once the steeping time is complete, carefully remove the infuser basket. Many mugs come with a small coaster or a cap that can hold the wet infuser.
7. Seal and Go: Secure the lid on your mug. Your tea is now perfectly brewed and ready for your journey.

Finding a Moment of Mindfulness

The true value of a tea infuser travel mug lies in its ability to facilitate a moment of peace. Amidst the chaos of a morning, the act of preparing your tea can be a small, grounding ritual. Take a moment to inhale the aroma of the dry leaves. As you wait for it to steep, take a few deep breaths. When you take that first sip on the train or at your desk, let it be a conscious act. Notice the warmth, the flavor, the aroma. This small vessel can be a powerful tool for injecting a moment of deliberate calm and sensory pleasure into an otherwise hectic day.

Frequently Asked Questions (FAQ)

1. How do I prevent my tea from becoming bitter in a tea infuser travel mug? Bitterness is almost always caused by over-steeping. The most important factor is to choose a mug with a removable infuser basket. Once your tea has steeped for the recommended time (e.g., 3 minutes for black tea, 1-2 minutes for green tea), you must remove the basket to stop the brewing process. Using water that is too hot can also cause bitterness, especially with green teas.

2. Is a glass or a stainless steel tea infuser travel mug better? This depends on your priorities. Stainless steel offers superior insulation and durability, making it ideal for long commutes and outdoor activities. Glass provides perfect flavor purity and allows you to watch the tea brew, which many people enjoy as part of the ritual, but it is heavier and more fragile. For rugged daily use, steel is often the more practical choice; for the ultimate taste experience at a desk, glass is superb.

3. Can I use tea bags in my infuser mug? Yes, you can. You can simply place the tea bag directly into the mug and add hot water, or you can place it inside the infuser basket if you prefer. However, the primary benefit of a tea infuser travel mug is to allow you to enjoy the superior quality and flavor of loose-leaf tea, which offers a much wider range of complexity and nuance.

4. What is the best way to clean my tea infuser travel mug? For daily cleaning, rinse the mug, lid, and infuser with hot water immediately after use. Use a bottle brush with a bit of dish soap for a more thorough clean. For deep cleaning and removing tough tea stains, create a paste of baking soda and water and gently scrub the interior. Soaking the components overnight in a solution of warm water and a small amount of vinegar can also help break down mineral deposits and stubborn stains. Always check if your mug’s components are dishwasher-safe.

5. How do I know the right water temperature for my tea? Different tea types require different water temperatures. As a general rule:

• Green & White Teas: 75-85°C (167-185°F). Use water that is steaming, but not boiling.
• Oolong Teas: 85-95°C (185-205°F). Just off the boil.
• Black & Herbal Teas: 95-100°C (205-212°F). A full, rolling boil. Using a variable temperature kettle is the most accurate method, but you can also achieve lower temperatures by letting boiling water sit for a few minutes before pouring.

A Final Thought on Form and Function

The search for the perfect tea infuser travel mug is, in essence, a search for an object that respects both the tea and the tea drinker. It acknowledges that the desire for quality should not be tethered to the home. By understanding the interplay of material, design, and thermodynamics, we can select a vessel that does more than simply transport a liquid. We can choose a tool that empowers us to cultivate a small, beautiful ritual of our own, transforming a mundane moment into one of flavor, warmth, and mindful pause, wherever our day may take us.

References

Hicks, M. B., Hsieh, Y. P., & Bell, L. N. (1996). Tea preparation and its influence on methylxanthine concentration. Food Research International, 29(3-4), 325-330. (96)00038-5

International Stainless Steel Forum. (n.d.). What is stainless steel?

Lerner, R. G., & Trigg, G. L. (Eds.). (2005). Encyclopedia of physics (3rd ed.). Wiley-VCH.

Varshneya, A. K. (2019). Fundamentals of inorganic glasses (3rd ed.). Society of Glass Technology.