Black Micro Crystalline Glass featuring near-zero thermal expansion, excellent thermal shock resistance, and long-term durability, it provides reliable performance under demanding thermal conditions while maintaining a sleek black appearance.
Black Micro Crystalline Glass, also known as Black Glass Ceramic, Vitroceramic Glass, or Induction Cooktop Glass, is a high-performance glass-ceramic material specifically engineered for applications exposed to extreme temperature variations. Combining the visual elegance of black glass with the exceptional thermal stability of ceramic materials, it has become the preferred surface material for induction cooktops, electric cookers, gas-electric hybrid cooktops, fireplaces, and various heating appliances.
Manufactured through a precisely controlled crystallization process, Black Micro Crystalline Glass exhibits near-zero thermal expansion, excellent mechanical strength, superior thermal shock resistance, and outstanding chemical durability. These characteristics allow the material to withstand rapid heating and cooling cycles without cracking or deformation.
Product name | crystal glass for induction cooker/ ceramic glass induction cooktop /ceramic glass top for induction cooker /4mm glass for induction cooker/ceramic glass |
Color | Black,white,clear,etc |
Thickness | 4mm,6mm |
Density | Approx. 2.56 g / cm3 |
Modulus of Elasticity | Approx. 93 x 103 Mpa |
Shape | Round,square,rectangle,etc |
Size | 590×520mm,730×430mm,900×520mm,also can custom other size |
Advantages | Good mechanical properties, chemical corrosion resistance and strong thermal stability,etc |
Characteristics | 1.Great heat resistance performance,stable chemical property; |
Bending Strength | Approx. 36 MPa,The bending strength testing is to be accomplished according to DIN EN 1288 part 5 (R45) |
Thermal Characteristics | Coefficient of Mean Linear Expansion---α(20 - 700oC) (0 ± 0.5) x 10-7 /K |
Resistance to Temperature Differences (RTD) | Resistance of the panel to temperature differences between heated zone and cold panel edge (room temperature). No cracking due to |
Thermal Shock Resistance | Resistance of the panel to thermal shock when the hot panel (760 degree C) is quenched with cold water (20oC temperature). No |
Screen printing | Complies with RoHS standards, normal ink available |
Impact resistance | A steel ball (diameter 60mm, weight 188g) freefall from180mm height, striking the panel 10 times. No scratching or cracking |
No. of Electric Burner | 1,2,3,etc |
No. of Gas Burner | 1,2,3,etc |
Type | Multiple Cooktops (Gas + Electric) |
Installation | Built-in |
Application | Commercial, Household |
Power Source | Electric, Gas |
Black Micro Crystalline Glass is a high-performance glass-ceramic material manufactured through a precisely controlled crystallization process. It begins as specially formulated glass containing carefully selected raw materials such as silica, alumina, lithium compounds, and other functional additives. Through a secondary heat-treatment process known as ceramization, millions of microscopic crystals are formed and uniformly distributed throughout the glass matrix. This unique combination of crystalline and glassy phases creates a material that offers significantly superior thermal and mechanical performance compared to ordinary glass products.
Unlike conventional tempered glass, which relies primarily on surface compression for strength, black micro crystalline glass derives its exceptional properties from its internal microcrystalline structure. The crystal content typically accounts for a substantial portion of the material, resulting in outstanding dimensional stability and resistance to extreme temperature fluctuations. Even when exposed to rapid heating and cooling cycles, the material maintains its structural integrity without warping, cracking, or losing performance.
This advanced microstructure provides numerous advantages, including:
· Near-zero coefficient of thermal expansion, minimizing dimensional changes during heating and cooling
· Exceptional thermal shock resistance, tested with a panel heated to 760°C and rapidly quenched with 20°C water without cracking
· Excellent resistance to thermal stress, reducing the risk of cracking during continuous operation
· High mechanical strength and impact resistance for improved durability and safety
· Outstanding dimensional stability under prolonged high-temperature exposure
· Superior chemical resistance against household cleaners, oils, acids, and other common substances
· Smooth, non-porous surface that is easy to clean and maintain
· Long service life even in demanding thermal environments
· Attractive black appearance suitable for modern appliance designs
· Reliable performance under repeated heating cycles without degradation
Due to these exceptional characteristics, black micro crystalline glass has become one of the most widely used materials for induction cooktops, ceramic hobs, gas-electric hybrid cookers, fireplace viewing panels, infrared heating equipment, and various commercial cooking appliances. Its ability to combine elegant aesthetics with outstanding thermal performance makes it the preferred choice for manufacturers seeking durable, safe, and high-quality heating appliance components.
The manufacturing process consists of several carefully controlled stages:
High-purity silica, alumina, lithium compounds, and other specialty materials are blended according to proprietary formulations.
The raw materials are melted at high temperatures to form homogeneous molten glass.
The molten glass is shaped into sheets or customized panels according to required dimensions.
The formed glass undergoes a specialized heat treatment process known as ceramization. During this stage, millions of microscopic crystals develop throughout the glass matrix.
After crystallization, the glass ceramic panels are processed according to the final product specifications. Processing operations include:
· CNC cutting for precise dimensions and complex shapes
· Edge grinding and polishing to improve safety and appearance
· Hole drilling and cut-outs for controls, sensors, and installation requirements
· Silk-screen printing with heat-resistant inks for cooking zones, logos, and functional markings
All processing is carried out using specialized equipment designed for glass ceramic materials to maintain product performance and consistency.
Quality inspection is conducted throughout the production process to ensure compliance with customer specifications and applicable industry standards.
Typical inspection items include:
· Thickness tolerance measurement
· Length, width, and diagonal dimensional verification
· Surface quality inspection for scratches, chips, bubbles, inclusions, and coating defects
· Edge quality inspection after cutting and grinding
· Screen printing adhesion and appearance verification
· Thermal shock resistance testing according to relevant glass ceramic testing procedures
· Coefficient of thermal expansion verification through laboratory testing
· Impact resistance testing using standardized steel ball drop methods
Inspection reports and quality documentation can be provided upon request for production orders.
Black micro crystalline glass offers outstanding thermal shock resistance, remaining crack-free during testing when a panel heated to 760°C is rapidly quenched with cold water.
Its extremely low thermal expansion coefficient ensures dimensional stability even under continuous heating and cooling cycles.
The material offers excellent bending strength and impact resistance, helping manufacturers improve product durability.
The surface resists common household chemicals, detergents, cooking oils, and cleaning agents.
The smooth black surface provides a premium modern appearance that complements contemporary kitchen designs.
Special formulations allow efficient transmission of infrared energy, improving heating performance in certain appliance applications.
The non-porous surface prevents contamination penetration and allows effortless maintenance.
The most common application of black micro crystalline glass. It efficiently transfers electromagnetic energy while providing a durable cooking surface.
Suitable for radiant heating systems operating at high temperatures.
Widely used in mixed-fuel cooking appliances requiring thermal stability and attractive aesthetics.
Used in restaurants, hotels, and professional kitchens where durability is essential.
Applicable for infrared heaters, electric heating equipment, and specialized thermal systems.
Choosing the right Black Micro Crystalline Glass is essential for ensuring the safety, durability, and performance of the final product. Since different applications have different thermal and mechanical requirements, buyers should evaluate several key factors before making a purchasing decision. Whether the glass is intended for induction cooktops, electric ceramic hobs, fireplaces, or commercial heating equipment, selecting a product with appropriate specifications can significantly improve product reliability and service life.
One of the most important considerations is thermal performance. Black micro crystalline glass is primarily valued for its exceptional resistance to high temperatures and rapid temperature changes. Buyers should carefully review the thermal shock resistance and thermal expansion coefficient of the material. High-quality glass ceramic products typically feature an extremely low thermal expansion coefficient, allowing them to maintain dimensional stability even when exposed to repeated heating and cooling cycles. For cooking appliances and heating equipment, excellent thermal stability helps prevent cracking, warping, or performance degradation over time.
Mechanical strength is another critical factor that should not be overlooked. During daily use, glass surfaces may be subjected to impacts from cookware, utensils, or accidental collisions. Therefore, it is important to select glass with sufficient bending strength and impact resistance to withstand normal operating conditions. Products manufactured with strict quality control standards generally provide better durability and a longer service life, reducing maintenance costs and warranty claims for appliance manufacturers.
Thickness selection should be based on the intended application and load requirements. Thinner glass panels may be suitable for lightweight household appliances where weight reduction is important, while thicker panels are often preferred for larger induction cooktops, commercial cooking equipment, or applications requiring enhanced structural strength. Common thicknesses include 4mm, 5mm, and 6mm, although customized thicknesses can also be produced to meet specific design requirements. Selecting the appropriate thickness helps achieve the optimal balance between strength, weight, thermal performance, and manufacturing cost.
Surface processing and customization capabilities are equally important, particularly for appliance manufacturers seeking unique product designs. Modern black micro crystalline glass can be customized through screen printing, decorative patterns, logo printing, sensor windows, touch-control areas, and various edge finishing options. These processing capabilities not only enhance the appearance of the final product but also improve functionality and user experience. Buyers should work with suppliers that offer advanced processing technologies and consistent quality standards to ensure precise and reliable results.
Certification and regulatory compliance should also be carefully evaluated when selecting a supplier. High-quality black micro crystalline glass should comply with relevant international standards and environmental regulations, including CE, RoHS, REACH, UL, and other market-specific requirements. Certified products provide greater assurance of safety, quality, and environmental responsibility, while also helping manufacturers meet import regulations and customer expectations in global markets.
In addition to technical specifications, buyers should consider the supplier’s manufacturing experience, quality control system, packaging methods, and export capabilities. An experienced manufacturer with a proven track record can provide valuable technical support, stable product quality, customized solutions, and reliable delivery schedules. By carefully evaluating these factors, customers can select black micro crystalline glass that delivers excellent performance, long-term durability, and maximum value for their specific applications.
Although highly durable, improper use may still cause damage.
Heavy objects dropped from significant height may exceed design limits.
Low-quality materials or poor processing can reduce product reliability.
Uneven support structures may create stress concentrations.
Abnormal heat concentration beyond design parameters can increase thermal stress.
Damaged edges may develop into cracks during operation.
Proper installation and usage significantly extend service life.
Our black micro crystalline glass products are manufactured and supplied in accordance with internationally recognized quality, safety, and environmental compliance requirements. Depending on project specifications and destination market regulations, products can be provided with the following certifications and compliance documentation:
· ISO 9001 Quality Management System
· CE Certification
· UL Certification
· RoHS Compliance
· REACH Compliance
· PAHS Compliance
These certifications verify that our products meet stringent international standards for manufacturing quality, product safety, environmental responsibility, and regulatory compliance. Supported by a rigorous quality control system and extensive export experience, Vatti Glass ensures consistent product performance and reliability for global appliance manufacturers, distributors, and OEM partners.
To minimize transportation risks, Vatti Glass utilizes a comprehensive packaging and logistics system designed to ensure that every glass panel arrives safely and in perfect condition. Each piece of black micro crystalline glass is carefully protected with a surface film to prevent scratches during handling and transportation. Additional foam cushioning and reinforced corner protectors are applied to absorb shocks and reduce the risk of edge damage.
For international shipments, the glass is packed in strong export-grade plywood crates and reinforced wooden cases that provide excellent structural support throughout transit. The packaging is specifically designed to withstand long-distance transportation by sea, rail, air, or road while minimizing the possibility of breakage.
To meet different customer requirements, we offer flexible shipping solutions through internationally recognized courier services such as DHL, FedEx, TNT, UPS, and EMS for samples and urgent orders. Bulk orders can be shipped by sea freight or railway freight, providing cost-effective transportation options for global customers. Sample orders are typically dispatched within 7–10 working days after payment confirmation, while production orders are arranged according to order quantity and project schedules.
Vatti Glass provides complete OEM and ODM manufacturing solutions.
Available customization options include:
· Customized dimensions
· Custom thickness
· CNC cutting
· Hole drilling
· Edge polishing
· Silk-screen printing
· Logo printing
· Special shapes
· Sensor windows
· Appliance-specific designs
Our engineering team supports customers from prototype development through mass production.
No. Black micro crystalline glass is a glass-ceramic material with significantly higher thermal shock resistance and dimensional stability than tempered glass.
The material exhibits excellent thermal shock resistance and remains crack-free when tested with a panel heated to 760°C and rapidly cooled.
Yes. We provide customized sizes, thicknesses, shapes, drilling, printing, and CNC processing.
Yes. It is one of the most widely used materials for induction cooktop surfaces worldwide.
Common thicknesses are 4mm, 5mm, and 6mm, with customized options available.
Yes. Samples and small trial orders are available for evaluation and testing.
Qingdao Vatti Glass Co., Ltd. is a professional manufacturer and exporter specializing in glass and glass products, including tempered glass, laminated glass, insulated glass, solar glass, borosilicate glass, quartz glass, fire-resistant glass, and micro crystalline glass.
· 16+ years of manufacturing experience
· Exported to over 60 countries
· Strict quality control system
· Strong export packaging solutions
· Fast delivery through Qingdao Port
· One-stop glass sourcing services
· Professional OEM & ODM support
· Dedicated international sales team
We are committed to delivering reliable glass solutions that help appliance manufacturers improve product performance, safety, and market competitiveness.