High quality high pressure polish quartz plate sheet polished
- Category: Quartz Plate >>>
- Supplier: Beijing Zhong Cheng Quartz Glass Co. Ltd.
Share on (62068063586):
Product Overview
Description
Quartz Glass Plates
Quartz plates are usually made by smelting, cutting and grinding quartz, with a silica content of over 99.99%. The hardness is seven on the Mohs scale, and it has the characteristics of high temperature resistance, low thermal expansion coefficient, thermal shock resistance and good electrical insulation performance. Usually colorless and transparent, the visible light transmittance is above 85%.
Parameter | Standard Grade | Precision Grade | Ultra-precision Grade | ||
Dimensional Tolerance | +/-0.2 | +/-0.1 | +/-0.05 | ||
Clear Aperture | >80% to >90% | >80% to >90% | >80% to >90% | ||
Surface Quality | 80/50 | 60/40 | 40/20 | ||
Parallelism | 3 arc min | 1 arc min | 30 arc seconds | ||
Wavefront Distortion | 5λper 25mm | 1λper 25mm | λ/4 | ||
Protective Bevel | <0.25x45 deg | <0.25x45 deg | <0.25x45 deg | ||
Material | Synthetic fused Silica, Fused quartz, IR quartz, Borosilicate glass,Sapphire crystal, K9, B270, etc. | ||||
Shape | Circular, square, triangular, oval, and other shaped windows | ||||
Dimension | Large window, Ultra-thin window, Regular size window | ||||
Precision | Ordinary refractory window, High precision optical window | ||||
Coating | High anti-UV Film, antireflective film, gold, aluminum, silver series quartz glass, quartz UV filter, curved reflector and so on. | ||||
We Recommend
New Arrivals
New products from manufacturers at wholesale prices
