... annealing furnace, circular furnace, many kinds of furnace for heat treatment, glass annealing furnace, glass melting furnace ... furnace. Our company has the professional design for industrial furnace lining and product development center; ... °C110012601260136013601430Density kg/m3260320260320260320260320260320260320Permanent linear shrinkage(%)(holding temperature for 24h, density 128kg/m3)-4(1000°C)- ...