... ;2, optical silica sheet: ZS-1 ZS-2 HS / JGS1 JGS2 JGS3;3, ... quality :40/20 60/40 80/507, Transmittance >85%8, Coating: high anti-UV film, antireflective film, gold, aluminum, silver series quartz glass and quartz ... optical instrument and stage light etc. high temperature window. 1.JGS1( Extreme UV optical quartz glass)It is a high-purity optical quartz glass ... size and shape plates:Service:I will reply ...