... heat resistance,acid 3 Less ash fiber felt 1 Main material is viscose fiber and PAN fiber.2 Ingredient: carton element,H2,O2 ... sticky (1000-1600 m2/g), micro-pore volume is 80% of the total volume2)High-temperature resistance(above 500°C)3 ... in the water and air purification, recovery of the organic solvent and heavy metal, preservation of the vegetable and fruit, metal, preservation ...