... quartz products Co., LTDProductmaterial:quartzfeature :These tubes advantages are high purity, good spectral transmission, well controlled dimension and low ... ,Xinyun block,Xinxiang City,Henan provinceProduct Image Production process high temperature quartz glass tube 1.dimension tolerance Range of ODODWTSidingOut ... (°C)1210Strain point(°C)1110Youngs Modulus7.3×105 high temperature quartz glass tube