Product Name: Large Size Thick High Purity Fused Quartz Glass Tube Quartz Pipe Model NO.: quartz glass tube Type: Quartz Tube Application: Chemical, metallurgy, Casting, Glass, Lighting Certification: ISO Advantage: High Temperature Resistance Color: Transparent and Opaque Surface: Polished Trademark: yongsin Transport Package: Strong Wooden Box Specification: according to request Origin: Donghai, China HS Code: 7002209000 Product Description It's made from natural quartz after the process of melting and fine grinding. It has high purity,heat resistance and corrosion resistance, also be low coefficient of thermal expansion.It contains no air bubble and controlled to the grade of PPM, has the great performancesuch as high temperature proof, chemical stability, perfect insulation and transmittance, etc.Material propertiesQuartz glass has unique and outstanding performanceHigh DurabilityHigh Corrosion ResistanceTransmission of visible light>90%Working temperature: 1100°COH content less than 20ppm, 15ppm,10ppm,5ppm and 2ppm.