Ceramic Insulator for plastic welding torch Material:95%Al2O3,Steatile,cordierite Colour:white,Ivory,yellow ISO9001 ... hand extrudersFeatures: low heating power, long life, good insulating properties, thermal effectsAl2O3 Technical Parameters:PorpertyUintSlimMaterial Al2O3 96%Colour white,pink,dark ... ,SteatileColour:white,Ivory,pink,yellowISO9001 Ceramic Insulator for plastic welding torch