The products are made of the high quality aluminosilicate refractory fibre(standard RT) spun and weaved through a special technological process.Ceramic fibre is a type of new heat insulation refractory and inorg anic materials The products have many advantages,such as light weight resistant to high temperature,hot shake,minor in heat capacity,good heat insulation,resistant to acid and aldali and free of poison etc.It can be processed into a wide range of heat insulation materion materials with quite high tensile strengh and toughness.