claer quartz glass plate

SIO2 Purity:99.999% polished quartz glass square plate( 1000MM*1000MM) polished quartz glass wafer400.transparent quartz plateour company could supply all kinds of optical windows.drug high temperature and pressure observation window.and all kinds of quartz glassess,like ultraviolet rays,infrared ray(1) quartz glass plate;(2) drug high temperature and pressure observation window;(3) milky white quartz plate size (max:mm);remind that the thickness according to our customers demandZS-1:Medium transmission:90% in 180-2500 nm ZS-2:Medium transmission: 85% in 200-2500 nm KS:Medium transmission: 85% in 250-2500 nm HS:Medium transmission: 85% in 260-3500 nm ZKHS:Medium transmission: 85% in 185-3500 nm Quartz glass has excellent optical spectrun properly.It can transmit far UV spectrum,is the best one of all UV transmiting material,and also transmit visible light and near infrared spectrum.The user can select any sort within the wave-range of 185-3500nm.For its excellent properties,such as :high temperature proof,low thermal expansion,chemical stability,thermal stability,and similar to ordinary optical glass in bubble, striae, homogeneity,birfringence,optical quartz glass became an essential optical material for high stability optical system under worst conditions. Among the above mentioned products,the HS infra-red optical quartz glass was awarded the "China National silver medal" for its excellent quality.