... are widerly used in the furnace of single crystal and polycrystal Material Quartz glassPurity :More than 99.99%Characteristic ... , sand blasting, polishing, bending, cutting, pinching, burning mouth and so on The special one, pls kindly send me the ... on.we really appreciate your visiting and assisting,pls kindly tell me your sizes and technology,.Chemical Composition(ppm)ALLiKNaCaFeTiMgCuBSiO2180.522 ...