Polishing Clear Quartz Glass Rod With Cone-Shape In The Ending
USD $1 - $10 /Piece
Min.Order:10 Pieces
Beijing Zhong Cheng Quartz Glass Co., Ltd.
Polishing Clear Quartz Glass Rod With Cone-Shape In The Ending
Material: fused quartz / silica glass
Tolerances:+/-0.1mm
Clear and clean
Free of air bubble/airline/scratch
Customer-designed quartz glass products
Parameter:
Density: 2.203 g/cm3
Hardness: 7 (Modified Scale); 5.36.5 (Mohs Scale)
Tensile strength: 48.3 MPa
Compressive strength: >1.1 GPa
Bulk modulus: ~37 GPa
Rigidity modulus: 31 GPa
Young's modulus: 71.7 GPa
Poisson's ratio: 0.16
Coefficient of thermal expansion: 5.5×10-7 cm/(cmK) (average from 20°C to 320°C)
Thermal conductivity: 1.3 W/(mK)
Heat capacity: 45.3 J/mol
Softening point: c. 1730°C
Annealing point: c. 1180°C
Strain point: 1075°C
Electrical resistivity: >1018 Ω×m
Dielectric constant: 3.75 at 20°C 1 MHz
Dielectric loss factor: less than 0.0004 at 20°C 1 MHz
Index of refraction at 587.6 nm (nd): 1.4585
BEIJING ZHONG CHENG QUARTZ GLASS CO.,LTD(ZCQ) was founded in 1998, and we emphasis on optical fused quartz glass products and optical glass has resulted in our excellent reputation in this field . We fulfill our customers requests in our manufacturing base located in Beijing, China. As an international supplier of quartz glass, fused silica and optical glass products, we have been authenticated by GB/T 19001-2008 QMS & CE, Our products are widely used in the Semiconductor, Telecommunications, Solar Energy, Electron, Optics, Optical Fiber, Chemical Industry, Coating, Medical Treatment, Aerospace, Military Affairs and other high-tech industries.
BEIJING ZHONG CHENG QUARTZ GLASS CO.,LTD(ZCQ) was founded in 1998, and we emphasis on optical fused quartz glass products and optical glass has resulted in our excellent reputation in this field . We fulfill our customers requests in our manufacturing base located in Beijing, China. As an international supplier of quartz glass, fused silica and optical glass products, we have been authenticated by GB/T 19001-2008 QMS & CE, Our products are widely used in the Semiconductor, Telecommunications, Solar Energy, Electron, Optics, Optical Fiber, Chemical Industry, Coating, Medical Treatment, Aerospace, Military Affairs and other high-tech industries.
Questions and Help
If you have any questions concerning products, please call us at 86-10-89770383 or email us .
Order Acceptance and Pricing
ZCQ will provide a Pro Forma Invoice as confirmation on customers’ order.
Production will be arranged in line with technical specification within the invoice once payment received .
Payment Terms
Advanced T/T Credit Card Payments: ZCQ accepts Visa, MasterCard, and American Express.
We also accept Paypal payment .
Shipping & Handling
Freight Policy: If you have a freight collect account with any shipping carrier, please tell us in advance.
Or we will advise you an most economic method of shipment before checkout.
Return/Guarantee Policy
A Return Merchandise is to be returned on the original shipping form. Returns may be subject to freight. Credit will not be issued until the return has been received and inspected by ZCQ. Please send us an email and include your order number.