High Silica mesh is a special fiberglass cloth mesh which contains more than 96% silicon dioxide, loss on Ignition <10%. With excellent heat resistance, it can work at the temperatures of 1000 centigrade degrees for about an hour and withstand at the temperatures of 1800 centigrade degrees for short-time .

High silica fiberglass mesh for casting filter is treated by high-temperature resistant coating to form rigid sheets.