This standard applies to high-alumina heat-insulating refractory bricks. High-alumina heat-insulating refractory bricks are used as heat insulation layer and kiln lining that is not affected by high-temperature molten materials and corrosive gases.
GB/T 3995-1983 history
2014GB/T 3995-2014 Insulating high alumina refractory bricks
2006GB/T 3995-2006 shaped insulating refractory products. High alumina bricks