... torch Material:95%Al2O3,Steatile,cordierite Colour:white,Ivory,yellow ISO9001 Ceramic Insulator for hand extrudersFeatures ... Technical Parameters:PorpertyUintSlimMaterial Al2O3 96%Colour white,pink,dark redDensityg/cm33.8Flexural StrengthMpa300Compressive StrengthMpa3400Modulus ... welding machinesMaterial:95%Al2O3,SteatileColour:white,Ivory,pink,yellowISO9001 Ceramic Insulator for plastic welding ...