LIANYUNGANG YONGSIN QUARTZ CO., LTD.  

Product Name: Clear Transparent Polished Helix Quartz Glass Tube Model NO.: quartz glass tube Type: Quartz Tube Application: Chemical, metallurgy, Glass, Muffler Furnace Certification: CE, ISO Material: Sio2 99.99% Advantage: High Temperature Resistant Color: Opaque or Transparent Trademark: Yongsin Transport Package: Strong Wooden Box Specification: customized Origin: Donghai, China HS Code: 7002319000 Product Description Product DescriptionChemical composition (unit: ppm)ALFeKNaLiCaMgCuMnCr5-120.19-1.50.71-1.60.12-1.760.38-0.760.17-1.230.05-0.50.050.05<0.05Dimensional Tolerance:Range of ODODWTSidingOut of RoundBow/1220mm≤6mm±2.0%±10%12%2.00%2.5mm6.00mm-15.00mm±1.25%±8%10%1.50%2.5mm15.00mm-20.00mm±1.25%±10%15%1.50%2.5mm20.00mm-25.00mm±1.25%±10%15%1.50%3.0mm25.00mm-30.00mm±1.35%±12%15%1.50%3.0mm30.00mm-80.00mm±1.5%±14%15%2.00%3.0mmPhysical Property:214219254Density (g/cc)2.22.212.21Coefficient of Thermal Expansion(cm/cm°C)5.5*10-75.9*10-76.7*10-7Softening Point (°C)168316601615Annealing Point (°C)121512041163Strain Point (°C)112011061066Refractive Index1.45851.4561.46Specific Heat (j/kgOK)670700690Compressive Strength (Pa)>1.1*1090.94*1090.55*109Youngs Modulus (Pa)7.2*10107.5*10107*1010