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square round transparent uvc quartz glass plate for lamp fused silica glass disc
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Meorient Import & Export Co.LTD
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
Certifications
Product Specifications
--Product Description
cheap custsom thickness square round transparent uvc quartz glass plate for lamp
Coefficient of Expansion(20°C~350°C) | 5.5*10-7/°C |
Softening Point( viscosity) | 1750°C |
Annealing Point | 1215°C |
Deformation Temperature(long time heat retaining) | 1120°C |
Thermal Conductivity(W/m°C,20°C) | 1.4 |
Specific Heat(J/kg,20°C) | 670 |
Material | Silicon Dioxide (Natural Quartz ) |
Surface | No Air Bubble ,no process |
PPM grade | Controlled 10/20/100 PPM |
Thickness | 0.5 MM-100 MM |
Application | 1.Windows 2. Lenses 3. Mirror substrates 4. Crucibles, trays and boats 5. UV transmitting optics (synthetic fused silica) 6. IR transmitting optics 7. Metrology components |
Product Description
Advantages of quartz glass
1. High Temperature Resistance
The softening point temperature of quartz glass is about 1725︒C. It can be used for a long time at 1100︒C, and the resistant temperature for a short time is 1450 1450︒C.
2. Corrosion Resistant
Apart from hydrofluoric acid, quartz glass has almost no chemical reaction with other acids. Its acid resistantce is 30 times than ceramics and 150 times than stainless steel. Especially its chemical stability at high temperature is unmatched by any other engineering materials.
3. Good Thermal Stability
The coefficient of thermal expansion of the glass is so small that it can withstand drastic temperature changes. Heating quartz glass to about 1100︒C will not crack when it is put into normal temperature water.
4.Good Light Transmission
The quartz glass has good transmission from ultraviolet ray to infrared ray. and the transmission of visible light is over 93%. Especially in the ultraviolet spectrum, the maximum transmittance is over 80.
Quartz glass has a series of excellent physical and chemical properties, high temperature resistance,anti-corrosive, good light transmission, good electrical insulation properties. Because of the excellent physical and chemical properties, it is widely applied in electric light sources,semiconductor,optical communications,military,metallurgy,building materials,chemical,mechanical,electrical, environmental protection ect,such as manufacturing halogen lamp, mercury lamp, metal halide lamp,light tube of copy machine,electric light source products stage lighting as well as producing chemical pipelines and heat-resistant utensils, etc.
Packing & Delivery
Packing
1.Cartons suitable for air transportation.
2.Wooden boxes suitable for air and sea transportation.
1.Cartons suitable for air transportation.
2.Wooden boxes suitable for air and sea transportation.
Shipping
1. 30% deposit and 70% before shipping, FOB Qingdao Port.
2.For small quantities, you can choose DHL or FedEx. It is safe and fast. We have a good rate with them. Please contact us for rates.
3. Ocean shipment is economical for big quantity.
4. We can also help custom clearance at destination port and deliver goods to your warehouse or office.And the cost is extra.
1. 30% deposit and 70% before shipping, FOB Qingdao Port.
2.For small quantities, you can choose DHL or FedEx. It is safe and fast. We have a good rate with them. Please contact us for rates.
3. Ocean shipment is economical for big quantity.
4. We can also help custom clearance at destination port and deliver goods to your warehouse or office.And the cost is extra.
Company Profile
1.More than 20 years experiences on glass manufacturing and exporting.
2. Top quality glass with CE certificate, exporting to more than 60 countries in the world.
3.Unique designed strong wooden cases, solving the problems of breakage.
4.Near to QingDao of China main container seaports, ensuring convenient loading and rapid delivery.
5.Full range of flat glass supply, offering one-step purchase.
6.Professional sales team, offering personalized and dedicated services.
2. Top quality glass with CE certificate, exporting to more than 60 countries in the world.
3.Unique designed strong wooden cases, solving the problems of breakage.
4.Near to QingDao of China main container seaports, ensuring convenient loading and rapid delivery.
5.Full range of flat glass supply, offering one-step purchase.
6.Professional sales team, offering personalized and dedicated services.
FAQ
Q：Are you trading company or factory?
A: We are a professional glass factory with more than 20 years experience.
Q: How long is your delivery?
A: Generally it will take 7-10 days when it is in stock. 15-20 days if it is out of stock. According to the quantity.
Q: What's your terms of payment?
A: Payment <= $ 1000, 100% in advance. Payment > $ 1000, 30% T/T in advance, balance before shippment.
Q: How long is your delivery?
A: Generally it will take 7-10 days when it is in stock. 15-20 days if it is out of stock. According to the quantity.
Q: What's your terms of payment?
A: Payment <= $ 1000, 100% in advance. Payment > $ 1000, 30% T/T in advance, balance before shippment.
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