Casting crucibles using fused silica as main material，mainly used for precious metal melting such as platinum，gold and other high temperature alloy casting .The products are featured with high purity and corrosion resistance,low thermal conductivity,small expansion coefficient,high
Temperature resistance,good thermal stability,strength,the main ingredient of SiO2 content no less than 98.0%,content of impurities（K2O,Na2O,Fe2O3) is not greater than 0.10% room temperature compressive strength of 70Mpa or higher.
Post time: Aug-13-2020