# Factory Direct High-Temperature Resistant Tempered Ceramic Glass Black Mat Surface 4mm Rectangular Commercial Oven Window CE International Safety Certification

> Factory Direct High-Temperature Resistant Tempered Ceramic Glass Black Mat Surface 4mm Rectangular Commercial Oven Window CE International Safety…

- Page: https://machiningglass.com/products/factory-direct-high-temperature-resistant-tempered-ceramic-glass-black-mat-surface-4mm-rectangular-commercial-oven-window-ce-international-safety-certification/
- SKU: MG-3C5ECE
- Category: Industrial, Architectural & Appliance Glass > Appliance, Cooktop & Fireplace Glass
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Factory-Direct-High-Temperature-Resistant-Tempered-Ceramic-Glass-Black-Mat-Surface-4mm-Rectangular-Commercial-Oven-Window-CE-International-Safety-Certification.webp
- Updated: 2026-10-24

Product type: Special Glass/High-Temperature-Resistant Glass. Application: Induction / Ceramic Cooktop Panels, Oven W. Model: HG-CG01. Function: Optical Function, Thermal Function, Mechanics and Mechanical Function, Biological and Chemical Function.

## Overview

Factory Direct High-Temperature Resistant Tempered Ceramic Glass Black Mat Surface 4mm Rectangular Commercial Oven Window CE International Safety Certification is an appliance glass made from Black Opalite Ceramic Glass. Listed geometry: size 2440mm X 1830mm, thickness 4mm, 5mm, 6mm, flat & curved shape. Temperature 700c Continuous, 800c Short Term. Listed for Home Appliances, Electronics and Industry applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Material | Black Opalite Ceramic Glass |
| Type | Special Glass/High-Temperature-Resistant Glass |
| Shape | Flat & Curved |
| Thickness | 4mm, 5mm, 6mm |
| Application | Home Appliances/Electronics/Industry |
| Usage | Induction / Ceramic Cooktop Panels, Oven W |
| Model NO. | HG-CG01 |
| Structure | Crystal Structure |
| Moh's Hardness | 6.5 |
| Function | Optical Function, Thermal Function, Mechanics and Mechanical Function, Biological and Chemical Function |
| Transparency | Translucent |
| Processing Method | Phase & Crystallization |
| Preparation Process | Fusion Method |
| Color | Black/Clear/White |
| Max Temperature | 700c Continuous, 800c Short Term |
| Max Size | 2440mm X 1830mm |
| Surface Finish | Glossy, Matte, Silk Screen Printed |
| Thermal Shock | up to 700c |
| Processing | Cutting, Edging, Drilling |
| Standard delivery | 2-3 weeks after order confirmation. |
| Multi-layer protection | EPE foam liners + air column bags / bubble wrap, layered between each glass sheet |
| Supplier | Qingdao Hitech Glass Co.,Ltd |

## Technical data

|   |   |   |   |
| --- | --- | --- | --- |
| Product Name | Ceramic Glass / Microcrystalline Glass | Surface | Polished & Matt |
| Thickness | 4mm,5mm | Working Temperature | 760°C / 750°C±10°C |
| Density | 2.55±0.02 g/cm³ | Thermal Expansion Coefficient | 8 x 10^-7 /C max |
| Mohs Hardness | ≥5.0 | Certification | ISO9001 |
| Process | Cutting, edge grinding,drilling holes, cutouts,silk screen printing | Delivery Time | sample 3-5 days, 15-20 days for bulk order. |

| Parameter | Value |
| --- | --- |
| Packaging & Shipping |  |
| Outer Package | Fumigation-free plywood crates , suitable for direct export without additional treatment |
| Inner Cushioning | Multi-layer protection: EPE foam liners + air column bags / bubble wrap, layered between each glass sheet |
| Separation | Glass sheets separated by interleaving paper or individually wrapped with anti-static film to prevent surface scratching |
| Edge Protection | Reinforced corner guards and edge protectors applied to all four corners and edges |
| Large-Format Glass | A-frame or L-frame metal rack packaging available for panels exceeding standard sizes |
| Customization | Custom packaging available upon request, tailored to product dimensions and destination requirements |

## What to specify when you request a quote

- **Glass type and thickness** — listed as “Black Opalite Ceramic Glass”; name the glass and thickness.
- **Temperature and pressure** — listed as “700c Continuous, 800c Short Term”; give working temperature, thermal shock and any pressure rating.
- **Strengthening and safety** — state tempering, lamination or the safety standard.
- **Outline and edges** — listed as “Flat & Curved”; send a drawing with outline, holes and edge finish.

## Engineering guides for this part

For material grades and coating options, see [Borofloat 33 Glass: Material Selection for Precision Substrates](https://machiningglass.com/materials/borofloat-33-glass-material-selection-for-precision-substrates/). How parts like this are machined and finished is covered in [How Borosilicate Glass Is Sandblasted for Matte Surface Processing](https://machiningglass.com/capabilities/how-borosilicate-glass-is-sandblasted-for-matte-surface-processing/). For an application example, read [Why Quartz Glass Components Excel in Coffee Heating Modules](https://machiningglass.com/applications/why-quartz-glass-components-excel-in-coffee-heating-modules/). Before sending a drawing, check [Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica](https://machiningglass.com/resources/quartz-glass-manufacturing-controlling-thermal-conductivity-in-fused-silica/). A related standard product is [4-inch Borofloat 33 Glass Wafers](https://machiningglass.com/products/4-inch-borofloat-33-glass-wafers/).

## FAQ

### What is the Factory Direct High-Temperature Resistant Tempered Ceramic Glass Black Mat Surface 4mm Rectangular Commercial Oven Window CE International Safety Certification made of?

It is listed as Black Opalite Ceramic Glass. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.

### What sizes and thicknesses are available?

The listing gives size 2440mm X 1830mm, thickness 4mm, 5mm, 6mm. Custom outlines and thicknesses are made to drawing; state the tolerance you need.

### Where is this appliance glass used?

Listed applications: Home Appliances, Electronics and Industry.

### What should I include in a quote request?

Include glass type and thickness, temperature and pressure, strengthening and safety and outline and edges, plus quantity and a drawing if the part is custom.

## Request a quote

Send drawings, tolerances and quantity: https://machiningglass.com/contact/?rfq_product_id=4377#mg-rfq

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Source: Custom Precision Glass Machining — https://machiningglass.com/