High Borosilicate Glass
Your Professional High Borosilicate Glass Supplier
Our goal is to become your true partner in the field of coffee cup in China. Hejian Naze Glass Products Co., Ltd. is a company that produces and processes glass cups, sealed cans and other products. It integrates creative design and sales. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
Why Choose Us
Production market: Our products are very popular in the market and are exported to countries and regions such as India, Vietnam, Malaysia, Indonesia, Iran, etc.
Our team: Our company has a professional production talent team, currently with 5 doctoral researchers, 20 college graduates or above, a total of 60 people.
Customized solutions: We understand that customers' needs are inconsistent, so we can customize according to customers' samples to meet their personalized needs.
Our services: In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.
Advantages of High Borosilicate Glass




Exceptional thermal resistance: High borosilicate glass excels in thermal performance, making it ideal for environments with extreme temperature changes. Its low thermal expansion coefficient minimizes stress when exposed to heat, ensuring durability in high-temperature applications like cookware and laboratory equipment.
High tensile strength and durability: You’ll find high borosilicate glass remarkably durable. Its tensile strength allows it to resist scratches, abrasions, and wear over time. Unlike regular glass, it maintains its integrity under demanding conditions, making it a reliable choice for long-term use.
Chemical stability and non-toxicity: High borosilicate glass offers exceptional chemical stability. It resists acids, alkalis, and hydrolysis, ensuring safety in chemical environments and food-related applications. You can trust it for toxin-free food storage, as it doesn’t leach harmful substances.
Resistance to thermal shock: Thermal shock resistance is another standout feature of high borosilicate glass. You can rely on it to endure sudden temperature changes without fracturing. Its ability to withstand a temperature differential of about 330 °f (170 °c) makes it suitable for applications like ovenware and scientific instruments.
Environmentally friendly and recyclable: High borosilicate glass is an eco-friendly choice. Its non-porous surface makes it easy to clean, reducing water and detergent usage. You’ll also appreciate its recyclability, which minimizes environmental impact.
Specification of High Borosilicate Glass
|
Silicon content |
>80% |
|
Strain temperature |
520℃ |
|
Annealing temperature |
560℃ |
|
Softening temperature |
820℃ |
|
Refractive index |
1.47 |
|
Transmittance (2 mm) |
92% |
|
Modulus of elasticity |
76KNmm – 2 |
|
Tensile strength |
40- 120Nmm – 2 |
|
Glass stress optical constants |
3.8 * 10-6 |
|
Processing temperature (104dpas) |
1220 ℃ |
|
Coefficient of linear expansion (20-300 ℃) |
3.3 * 10-6 K – 1 |
|
Density (20 ℃) |
2.23gcm – 1 |
|
Specific heat |
0.9jg – 1K- 1 |
|
Thermal conductivity |
1.2Wm – 1K- 1 |
|
Water resistance (International Organization for standardization 719) |
1 level |
|
Acid resistance (International Organization for standardization 195) |
1level |
|
Alkali resistance (International Organization for standardization 695) |
2level |
Features of High Borosilicate Glass
Thermal resistance
Can withstand high temperatures (up to 500°c) and sudden temperature changes, making it ideal for laboratory glassware and kitchenware.
Chemical durability
Resistant to a wide range of chemicals, including acids and bases, which is crucial for laboratory and industrial applications.
Mechanical strength
Greater resistance to impact and breakage compared to regular glass.

Composition and Properties of High Borosilicate Glass
Silica (sio2): The primary component that provides structure.
Boron trioxide (b2o3): Enhances thermal and chemical resistance.
Alumina (al2o3): Adds strength and durability.
Sodium oxide (na2o) and potassium oxide (k2o): Lower the melting point for easier processing.
Application of High Borosilicate Glass
Laboratory use: High borosilicate glass bottles are extensively used in laboratories for storing and handling chemicals, reagents, and biological samples. Their ability to withstand high temperatures and chemical exposure makes them ideal for scientific applications.
Food and beverage industry: The food and beverage industry has embraced high borosilicate glass bottles for packaging and serving a variety of products. Their thermal resistance makes them suitable for hot beverages, while their chemical durability ensures that flavors are preserved.
Personal care and cosmetics: High borosilicate glass bottles are also popular in the cosmetics and personal care industry. They are often used for packaging serums, essential oils, and lotions. The non-reactive nature of the glass ensures that the active ingredients remain stable and effective over time.
Home and kitchen: In home and kitchen settings, high borosilicate glass bottles are favored for their versatility and aesthetic appeal.
Manufacturing Process of High Borosilicate Glass
Raw materials
Requires high-purity silica and boron trioxide. The manufacturing process involves precise control of these materials to achieve the desired properties. At roetell glass, we ensure the use of high-quality raw materials to produce glass that meets the highest standards.
Melting point and forming techniques
High borosilicate glass: Requires a higher melting temperature, typically around 1,650°c. This necessitates specialized equipment and greater energy consumption. The higher melting point also means that the glass can be formed into more complex shapes without compromising its integrity.
Quality control and testing
Undergoes rigorous testing for thermal shock resistance, clarity, and durability. Roetell glass implements strict quality control measures to ensure that our high borosilicate glass products meet the highest standards of performance and safety.
Packing and Shipping of High Borosilicate Glass
|
Packing |
Bubble wrap and packing peanuts |
|
Shipping |
Shipped by road, sea, rail |
FAQ
As one of the leading high borosilicate glass manufacturers and suppliers in China, we warmly welcome you to buy high-grade high borosilicate glass made in China here from our factory. All customized products are with high quality and competitive price.
