Product Name: High Purity Sio2 99.9% Fused Silica Plate for High Temperature Model NO.: Plate Type: Quartz Plate Application: Chemical, metallurgy Certification: ISO Material: Fused Silica 99.9% Shape: Round,and Square Trademark: Yongsin Transport Package: Strong Wood Box Origin: Donghai, China HS Code: 7002209000 Product Description We select unique silica sand from local Donghai area and melt the silica sand through high temperature electric fusion into large ingot. The fused silica ingot is saw cut and then ground and polished to make into different desired shapes of products such as tube,plate,ring,crucible and container,ect. These products features exceptionally good thermal shock resistance and electricity resistance and have lowest thermal expansion. They are widely used in high temperature industry,chemical,electronics,etc.