1,quartz glass boat for sale 2 tight tolearance 3,Resistance 1100 degree 4 ... no airline 5,ISO 9001-2000 Quartz glass boat for sale1,quartz boat 99.99% min2,tight tolerance +/- ... 1683Annealing point(oC) 1215Defoamation Point (oC) 1120Useful: Widely used in semiconductor, Optical industry etc. work together with large ... , we can make as your requirement. waitting for your special specification to offer.