4mm and 5mm heat resistant ceramic glass for fireplaces and stoves, featuring excellent thermal shock resistance, extremely low thermal expansion, and clear flame visibility. Custom sizes and shapes available.
Heat resistant ceramic glass is designed for fireplace doors, wood-burning stoves, fire stoves, and other high-temperature heating equipment. It combines excellent thermal stability, extremely low thermal expansion, and good thermal shock resistance while providing a clear view of flames.
Available in 4mm and 5mm thicknesses, the glass ceramic can be customized in different sizes, shapes, colors, and edge-processing options according to application requirements.
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Fireplace glass needs to withstand high temperatures and repeated heating and cooling without significant dimensional changes. Glass ceramic is well suited to this application because of its extremely low coefficient of thermal expansion.
Compared with standard glass, ceramic glass undergoes very little expansion or contraction when exposed to heat. This helps reduce thermal stress during temperature changes and supports stable performance in fireplace and stove applications.
It can be used for:
· Fireplace doors
· Fireplace viewing windows
· Wood-burning stove doors
· Fire stove viewing panels
· High-temperature observation windows
· Custom heating equipment panels
The transparent surface allows a clear view of the flame while providing a protective barrier between the fire and the surrounding environment.
Glass ceramic has a very low thermal expansion coefficient, making it different from conventional glass and many other heat resistant glass materials.
During operation, fireplace and stove panels can experience repeated temperature changes. The low thermal expansion of ceramic glass helps minimize dimensional changes and thermal stress under these conditions.
This makes clear ceramic glass suitable for applications where both high-temperature resistance and flame visibility are required.
High Temperature Resistance
The glass ceramic is designed for demanding high-temperature applications and can maintain stable performance under continuous heating conditions.
Depending on the operating temperature and application environment, the material can be used for fireplace doors, stove windows, heating equipment, and other thermal applications.
Excellent Thermal Shock Resistance
Ceramic glass provides excellent resistance to rapid temperature changes.
Under the specified test conditions, its thermal shock resistance can reach 760°C without breakage.
Actual performance depends on factors such as glass dimensions, edge processing, heating rate, cooling conditions, installation, and operating environment.
Extremely Low Thermal Expansion
The average coefficient of linear thermal expansion at 20–800°C is approximately:
(0 ± 0.5) × 10⁻⁶/K
This extremely low thermal expansion helps minimize dimensional changes when the glass is repeatedly heated and cooled.
Clear Flame Visibility
Transparent ceramic glass provides a clear viewing area for fireplaces and stoves. It allows users to enjoy the flame view while the glass serves as a heat-resistant protective panel.
The glass ceramic can be processed according to application requirements.
Available shapes include:
· Square
· Rectangular
· Circular
· R-corner
· Custom irregular shapes
Custom dimensions and processing can be produced according to technical drawings or samples.
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| Property | Specification |
| Material | Glass ceramic / microcrystalline glass |
| Thickness | 4mm, 5mm |
| Color | Transparent, dark brown |
| Density | Approx. 2.6 g/cm³ |
| Elastic Modulus | Approx. 93 × 10³ MPa |
| Bending Strength | Approx. 35 MPa |
| Average Thermal Expansion | (0 ± 0.5) × 10⁻⁶/K at 20–800°C |
| Thermal Shock Resistance | Up to 760°C without breakage under specified test conditions |
| Shape | Square, rectangular, circular, R-corner, irregular |
| Acid Resistance | DIN 12116 HGB1 |
| Alkali Resistance | DIN ISO 719 HGB2 |
The following values are reference data for the specified glass ceramic material.
| Application Temperature | Continuous Operating Time |
| 560°C | 20,000 h |
| 610°C | 9,000 h |
| 660°C | 4,500 h |
| 710°C | 1,200 h |
| 800°C | 500 h |
Actual service performance can vary depending on the glass size, installation method, heating and cooling conditions, edge processing, and operating environment.
Fireplace doors and stove windows require glass that can withstand repeated exposure to high temperatures while maintaining good transparency.
Our heat resistant ceramic glass can be processed into fireplace door glass, stove viewing panels, and custom fire-resistant viewing windows.
The low thermal expansion helps reduce thermal stress during repeated heating and cooling cycles, while the transparent surface provides a clear view of the fire.
For customized fireplace glass, customers can provide the required size, thickness, shape, edge processing, quantity, drawing, and application temperature for evaluation.
Although fireplace and stove applications are a key use of this material, glass ceramic can also be used in other high-temperature equipment.
Heating Equipment
Suitable for selected heating equipment, electric heaters, radiators, and other applications requiring heat-resistant viewing or protective panels.
Ovens and Cooking Equipment
Can be used for oven windows, convection ovens, microwave ovens, induction cooktops, and other cooking equipment requiring thermal stability.
Infrared and Industrial Heating Equipment
The low thermal expansion and high-temperature resistance of ceramic glass make it suitable for selected infrared heating, drying, and industrial heating equipment.
Lighting and Protective Panels
Depending on the required optical and thermal properties, glass ceramic can also be processed into protective panels for selected high-performance lighting and heating equipment.
Different glass ceramic options are available for different applications.
Transparent ceramic glass is suitable for fireplaces, wood-burning stoves, heating equipment, and other applications where flame or equipment visibility is required.
Dark brown ceramic glass provides a darker appearance while maintaining the thermal characteristics of glass ceramic.
The appropriate glass type should be selected according to the required temperature, transparency, thickness, size, and operating conditions.
We provide customized glass ceramic panels for fireplace, stove, and high-temperature equipment applications.
Customers can send us:
· Required glass size
· Thickness
· Shape
· Color
· Edge processing requirements
· Quantity
· Technical drawing or sample
· Operating temperature
· Application details
Based on these requirements, we can evaluate the suitable glass ceramic specification and processing method.
Looking for heat resistant glass for fireplace, heat proof glass for fireplace, or customized ceramic fireplace glass?
Send us your required size, thickness, shape, quantity, drawing, and application details. Our team can evaluate your requirements and provide a suitable quotation for customized glass ceramic panels.
