4mm Black Ceramic Glass is more than a heat-resistant panel—it is a premium surface material that helps appliance brands create a cleaner, more modern, and more valuable product appearance. Its smooth black finish conceals internal components, highlights control zones, and gives cooktops, fireplaces, and heating appliances a refined built-in look. We also support OEM manufacturing to ensure stable quality, consistent appearance, and reliable supply for large-scale production.
4mm Black Ceramic Glass is a crystalline material produced through controlled crystallization of base glass and has the fabrication advantage of glass as well special properties of ceramics. It is an extremely heat resistant glass. It is a mechanically strong material and can sustain repeated and quick temperature changes up to 660-850 degree centigrade. Unlike ordinary tempered or borosilicate glass, this material features an ultra-low coefficient of thermal expansion, allowing it to withstand rapid temperature fluctuations without cracking or deformation. It is widely used for fireplace,micro oven screen,induction cooker.
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Selecting the correct thickness directly influences safety, durability, thermal performance, and appliance efficiency. For many induction and radiant cooking applications, 4mm ceramic glass provides an ideal balance between strength, heat resistance, optical appearance, and manufacturing cost.
The microcrystalline structure minimizes thermal expansion, allowing the glass to tolerate rapid heating and cooling cycles without failure.
Despite its slim profile, 4mm ceramic glass provides reliable bending strength and impact resistance suitable for daily cooking environments.
For radiant cooking systems, optimized thickness contributes to effective infrared heat transmission while maintaining structural integrity.
Its deep black appearance complements contemporary kitchen designs and creates a clean, premium visual effect.
The material maintains stable performance after thousands of heating cycles, helping manufacturers reduce warranty claims and maintenance costs.
Replacing a damaged ceramic glass panel requires careful handling to maintain appliance safety and performance. Because ceramic glass is brittle even when only partially cracked, the replacement process should be carried out slowly and methodically to avoid damaging the cooktop frame, heating elements, or control components.
Step 1 – Disconnect Power
Always disconnect the appliance from the electrical supply before beginning any repair. For built-in cooktops, switch off the circuit breaker and confirm that no indicator lights or control displays remain active. If the appliance has been recently used, allow the surface to cool completely before touching any internal parts.
Step 2 – Remove the Damaged Panel
Carefully remove the retaining brackets, screws, or spring clips that hold the glass in place. If the panel is fractured, use protective gloves and safety glasses, and lift the broken pieces with suction cups or a soft-edged tool to reduce the risk of cuts. Take care not to scratch the stainless steel frame or disturb the sealing gasket around the perimeter.
Step 3 – Inspect Heating Components
Check induction coils, radiant heaters, sensors, insulation pads, wiring harnesses, and mounting points for signs of heat damage, moisture intrusion, or impact marks before installing a new panel. Remove any loose shards, dust, adhesive residue, or burnt gasket material from the cavity so the replacement glass sits flat and evenly supported. If the appliance uses thermal pads or foam spacers, verify that they are still intact and correctly positioned.
Step 4 – Install the Replacement Glass
Position the new 4mm Black Ceramic Glass accurately within the frame and secure it according to the manufacturer’s installation specifications. Make sure the printed side, control markings, and heating zone alignment match the original layout. Tighten fasteners evenly rather than fully securing one side first, and avoid overtightening, which may create stress points along the edges. Confirm that the panel is level, centered, and free from trapped debris before final assembly.
Step 5 – Functional Testing
Reconnect power and verify proper heating performance, touch control operation, and surface stability before returning the appliance to service. Run a short test cycle to confirm that the heating zones activate normally, the display responds correctly, and no unusual vibration, noise, or error code appears. After testing, inspect the perimeter again to ensure the glass remains seated securely and that no gaps or uneven contact points are visible.
For commercial equipment, replacement should always be performed by qualified technicians.
Density ρ | approx. 2.6 g / cm3 |
Modulus of elasticity E | approx. 93 x 103 MPa |
Bending strength σbB | approx. 35 MPa |
Coefficient of Linear Thermal Expansion α(20 - 700°C) | (0 ± 0.5) x 10-6 /K |
Specific Thermal Capacity (CP20 - 100°C) | 0.8x103J/(kg x k) |
Specific Thermal Conductivity λ(90°C) | 1.6W/(m x k) |
Resistance to Thermal Gradients(RTD) | Tes, max1) ≤ 700°C |
Resistance to Thermal Shock | Tes, max ≤ 700°C |
Working temperature | 760°C |
Mechanical strength | Density | Elastic seeks | Bending strength |
2.6g/cm³ | 93*103Mpa | 35Mpa | |
Thermodynamic Performance | Average coefficient of linear thermal expansion | Identical temperature difference | Thermal shock resistance |
a(20-800℃):(0±0.5)*10-6/K | (RTD) ≤760℃ | Tes max≦760℃ no break | |
Application Temperature and Continuous operating time | Application temperature | Continuous operating time | |
560℃ | 20000h | ||
610℃ | 9000h | ||
660℃ | 4500h | ||
710℃ | 1200h | ||
800℃ | 500h | ||
Chemical performance | Acid resistance | Alkali resistance | |
DIN12116 HGB1 | DIN ISO719 HGB2 | ||
Glass Variety | Transparent microcrystalline glass，Dark brown microcrystalline glass with ball-point | ||
Machinable shape | Square，circle，R-corner and any irregular shape | ||
microcrystalline glass Application | Wave soldering, microwave oven, Convection Oven, electric radiator, fireplaces, induction cooker glass plate. High-Performance flood light, metal halide lamp, infrared dryer,etc and Photovoltaic solar equipment shield | ||
Our manufacturing facilities support comprehensive secondary processing while preserving the excellent thermal characteristics of glass ceramic.
Available processing options include CNC precision cutting, waterjet cutting, high-accuracy drilling, internal and external cut-outs, polished edge finishing, bevel edge processing, radius corner machining, irregular shape fabrication, surface grinding, dimensional inspection, and OEM and ODM production.
Strict quality control ensures dimensional consistency throughout every production batch.
Modern cooking appliances require more than heat resistance—they also demand attractive appearance and user-friendly interfaces. We offer multiple decorative processing solutions, including high-temperature ceramic silk-screen printing, control panel graphics, functional heating zone indicators, brand logo printing, matte and glossy decorative finishes, customized patterns, multi-zone cooking layouts, sensor window design, infrared transmission areas, and edge decoration. Printing is permanently fused during production, providing excellent wear resistance, color stability, and long-term durability.
· Induction cooktops
· Radiant cookers
· Electric ceramic hobs
· Built-in kitchen appliances
· Microwave oven viewing panels
· Fireplace viewing windows
· Wood stove glass
In induction cooktops, 4mm Black Ceramic Glass serves as the protective top surface that separates the heating components from the user while allowing efficient energy transfer and easy cleaning. Its smooth, flat surface supports precise cookware placement and helps maintain a modern, premium appearance in residential kitchens as well as commercial cooking environments.
For radiant cookers and electric ceramic hobs, the material performs well under continuous high-temperature exposure. It can transmit heat efficiently from the heating elements below while maintaining structural stability on the surface. This makes it a dependable choice for appliances that require both durability and consistent thermal performance during daily use.
In built-in kitchen appliances, black ceramic glass is often selected for its combination of functionality and visual appeal. It integrates seamlessly into contemporary appliance designs, providing a sleek appearance that complements stainless steel, matte black, and other modern finishes. Manufacturers also value its compatibility with custom printing, control markings, and decorative zone indicators.
Microwave oven viewing panels and similar appliance windows benefit from the material’s heat resistance and clean appearance. In these applications, the glass helps protect internal components while offering a clear, durable viewing surface that can withstand elevated temperatures and repeated operation.
For fireplace viewing windows and wood stove glass, 4mm Black Ceramic Glass provides excellent resistance to thermal shock and prolonged heat exposure. It is suitable for applications where users need a safe, reliable viewing panel that maintains clarity and structural integrity under intense fire conditions. Its black surface also enhances the visual presentation of the flame while concealing internal hardware when the appliance is not in use.
Every production batch undergoes rigorous quality inspection before shipment.
Testing includes:
· Thickness measurement
· Flatness inspection
· Surface defect inspection
· Dimensional verification
· Thermal shock testing
· High-temperature endurance testing
· Bending strength evaluation
· Chemical resistance testing
· Printing adhesion testing
· Optical appearance inspection
This comprehensive verification process helps ensure stable product quality and reliable long-term performance in demanding operating environments.
Selecting the appropriate ceramic glass thickness depends on appliance design, heating technology, and expected operating conditions.
3–4 mm
Recommended for residential induction cooktops, radiant hobs, and compact kitchen appliances where lightweight construction and efficient performance are priorities.
5–6 mm
Suitable for larger cooking surfaces, commercial food-service equipment, and applications requiring additional mechanical strength.
Above 6 mm
Often selected for heavy-duty industrial heating systems, customized engineering projects, and specialized thermal equipment with higher structural demands.
If your project involves unique dimensions, heavy loads, or specific certification requirements, our engineering team can recommend the most appropriate solution.
The dimension of the glass-ceramics for induction?
With the increase in gas prices, the cost of the catering industry, and the perception of cooking without open flames, the number of commercial induction cookers has increased. The demand for concave glass-ceramics will also increase accordingly. Commonly used thickness of 12 ~ 20mm commercial induction cooker plane microcrystalline glass plate conventional size: 250 × 250mm, 300 × 300mm, 350 × 350mm, 450 × 450mm, 500 × 500mm, 600 × 600mm and so on. The conventional dimensions of the concave glass ceramic used in the commercial induction cooker are: diameter 200 mm, diameter 300 mm, diameter 400 mm, diameter 500 mm, and the like.
We can work with CAD files, PDF drawings, and detailed technical sketches. If needed, our engineering team can also review sample photos or dimensional notes to help convert your concept into a manufacturable design.
Yes. We can provide small-batch production for prototype testing, product validation, and market sampling before moving into full-scale manufacturing.
Yes. High-temperature ceramic printing provides permanent, wear-resistant branding and functional graphics.
The surface offers excellent hardness and good scratch resistance under normal household use.
Yes. It is suitable for many fireplace and stove applications requiring high heat resistance.
Each panel is protected with PE film, foam separation, corner protection, and strong export cartons or plywood crates to reduce the risk of damage during transportation.
We support sea freight, air freight, rail transport, and express delivery depending on your order quantity, destination, and delivery schedule.
Each batch undergoes dimensional, appearance, thermal, and mechanical performance testing before shipment.
If you are launching a new induction cooktop, improving an existing appliance or fireplace, or looking for dependable ceramic glass for high-volume production, our team is here to support your project.
We offer guidance on material selection, structural design, custom fabrication, sample development, mass production, and global shipping. Simply send us your drawings, technical requirements, or application details, and we will work with you to develop a solution that fits your project goals with dependable quality, efficient turnaround, and dedicated engineering assistance.
