AOTEMAKE high temperature resistant low density silica gel sponge article seal foam even, density can be 0.4 0.85 g/cm3, the above 10-30 A hardness. Green nontoxic no odor, elasticres ilience, it has good flexibility, the surface no bubble no vent. High intensity, long service life, high temperature resistant up to 300 ℃ above the long-term use of deformation, 72 hours of up to 350 ℃ sustainable use. Product insulation environmental protection, high and low temperature resistance, resistance to compression, acid and alkali resistant anti-aging, anti-ultraviolet radiation.