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Brand Name : zmkj
Model Number : quartz tube
Place of Origin : china
MOQ : 10pcs
Price : by case
Delivery Time : 1-3weeks
Packaging Details : by case
material : SiO2 crystal
industry : semicondctor wafer,optical glass
application : commnnicatoin,cover glass, semiconductor cover,
size : dia20,22,24,25,26,28,29,30mm
length : 10-3000mm
dia22 quartz glass tube, optical glass lens, quartzs glass plates ,quartz optical windows, sio2 quartzs substrates, GS1,GS2 quartz cover lens
Specifications:
|  			 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

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                        Optical Fused Silica Quartz Tube SiO2 Crystal Material With Customized Hole Shape Images |