High Purity Quartz Glass Plate and Fused Silica Sheet High Temperature Resistant Custom Size Optical Window
Product Details
| SiO2 Purity: | >99.99% | Light Transmittance: | >92% |
|---|---|---|---|
| Density: | 2.2 G/cm³ | Hardness: | Mohs 6.5 |
| Working Temperature: | 1100-1150℃ | Thickness Range: | 0.2-100mm |
| Highlight |
High Purity Quartz Glass Plate,High Temperature Resistant Fused Silica Sheet,Custom Size Quartz Glass Sheet |
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Product Description
High-purity, custom-size fused silica quartz glass sheet (JGS2, SiO₂ 99.99%) engineered for laser equipment, offering high UV transmittance and excellent anti-corrosion performance.
| Brand | shengfanquartz |
|---|---|
| SiO₂ Content | 99.99% |
| Density | 2.2 g/cm³ |
| Hardness (Moh's scale) | 6.6 |
| Melting Point | 1732℃ |
| Working Temperature | 1100℃ |
| Annealing Point | 1180℃ |
| Softening Point | 1630℃ |
| Color | Transparent |
|---|---|
| Shape | Circular / Round |
| Standard | JGS1, JGS2, JGS3 |
| Material | 99.99% SiO₂ |
| Diameter | 1–800 mm |
| Thickness | 0.2–100 mm |
| Application | Optics quartz windows |
| Light Transmittance | >92% |
| Hardness | Mohs 6.5 |
| Resistance Value | 1000 times that of ordinary glass |
- Square pieces available in four standard corner types
- Shaped quartz plates produced according to provided samples or drawings
- Unit: mm
Remarks: Additional requirements such as tolerance, polish, and translucency can be provided according to demand. We can customize any size quartz glass plate according to your drawing.
Used to make semiconductors, electric light source devices, semiconductor communication devices, lasers, optical instruments, laboratory instruments, electrical equipment, medical equipment, and chemical instruments for the chemical industry, electronics, metallurgy, and other industries.
- Not easy to be corroded
- Can withstand high temperature
- Beautiful appearance
- Compact structure
- Easy to operate
- Strong light transmission
- Good electrical insulation














Lianyungang Shengfan Quartz Product Factory is a professional manufacturer specializing in the research and development of quartz plates, quartz tubes, quartz flanges, quartz rings, cuvettes, and quartz instruments. The company is located in China Crystal Capital — Donghai City, Jiangsu Province, China, 70 km from Lianyungang port with convenient transportation.
Covering an area of 1,000 square meters, we now have over 30 employees with annual sales exceeding USD 5.2 million.
With the philosophy of Technology Orientation, Quality First, Integrity and Responsibility, and Sustainable Operation, the company is dedicated to establishing an international enterprise with standard and sustainable operation capability.

The company adheres to integrity in business, offers experienced service, reasonable pricing, and quality assurance, and provides excellent after-sales service. We sincerely welcome customers to come and negotiate.
A: Yes, we welcome sample orders to test and check quality.
A: Within 15 days after receiving deposit.
A: Low MOQ; 1 pc for sample checking is available.
A:
- Firstly, let us know your requirements or application
- Secondly, we quote according to your requirements or our suggestions
- Thirdly, the customer confirms the samples and places a deposit for the formal order
- Fourthly, we arrange the production
A: DHL, UPS, FedEx, or TNT are optional for small orders (usually takes 3–5 days). Airline and sea shipping are also available.
Product Highlights
High-purity fused silica plates (SiO2>99.99%) with >92% light transmittance, Morse 6.5 hardness, and 1150℃ resistance. Ideal for optical windows and semiconductors. Custom sizes, JGS1/2/3 standards, and low MOQ available.
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