dia22 quartz glass tube, optical glass lens, quartzs glass plates
,quartz optical windows, sio2 quartzs substrates, GS1,GS2 quartz
cover lens
Specifications:
- High purity quartz ,SiO2> =99.99%
- No bubble, strip, chipping or scratch
- we can manufacture the quartz products according to customer’s
design
- Features of Quartz Glass Plate
- High purity made of 99.99% pure quartz
- Strong Hardness, Can reach Morse level 7.
- High temperature resistance, can work under 1200°C continuously,and in short time can even work under 1500°C.
- Acid and Alkali resistance. Except Hydrofluoric acid, JD Quartz
Glass Plate does not react with any acid
- Electric insulation, it is 10000 times of usual glass.
- High light transmittance , it is different from 85%-95% depend on
different spectrum.
- Excellent thermal shock stability ,Small thermal expansion
coefficient,it is only 5.5×10-7/℃
- Control in less than 20 PPM, 15 PPM, 10 PPM, 5 PPM ,2 PPM.
Hardeness | 5.5-6.5 Mohs' Scal 570 KHN 100 |
Design Tensile Strength | 4.8x107 Pa (N/mm2) (7000psi) |
Design Compressive Strength | >1.1x109 Pa (160,000 psi) |
Bulk Modulus | 3.7x1010 Pa (5.3x106psi) |
Rigidity Modulus | 3.1x1010 pa (4.5x106psi) |
Young's Modulus | 7.2x10-10 pa (10.5x106 psi) |
Poisson's Ratio | 0.17 |
Coefficient of Thermal Expansion | 5.5x10-7cm/cm. °C (20°C-30°C) |
Thermal Conductivity | 1.4 W/m. °C |
Specific Heat | 670J/kg. °C |
Softerning Point | 1683°C |
Annealing Point | 1215°C |
Strain Point | 1120°C |
Electrical Receptivity | 7x107 ohm.cm (350°C) |
Velocity of Sound-Shear Wave | 3.75x103 m/s |
Velocity of Sound/ Compression Wave | 5.9x103 m/s |
Sonic Attenuation | <11db/m MHZ |
Chemical Stability (except hydrofuoric) | High resistance to water and acids |
Dielectric Properties (20°C and 1MHZ)
Constant
Strength
Loss Factor
Dissipation Factor |
3.75
5x107 V/M
Less than 4x10-4
Less than 1x10-4
|
grade: quartz optical glass
size:dia20,dia22,24,25,26,28,29,30,
inner hole :roud, square,other
thickness:20mm~3000mml
tolerance:＞±0.05mm
Ra:＜2nm
FAQ:
Q: What's the way of shipping and cost?
A:(1) We accept DHL, Fedex, EMS etc.
(2) If you have your own express account, it's great.If not,we
could help you ship them. Freight is in accordance with the actual settlement.
Q: How to pay?
A: T/T, Paypal, Secure payment and Assurance payment.
Q: What's your MOQ?
A: (1) For inventory, the MOQ is 25pcs.
(2) For customized products, the MOQ is 25pcs up.
Q: What's the delivery time?
A: (1) For the standard products
For inventory: the delivery is 5 workdays after you place the
order.
For customized products: the delivery is 2 or 3 weeks after you
place the order.
(2) For the special-shaped products, the delivery is 4 workweeks
after you place the order.
Q: Do you have standard products?
A: Our standard products in stock.
Q: Can I customize the products based on my need?
A: Yes, we can customize the material, specifications and optical
coating for your optical components based on your needs.
packing ＆ delivery
