| abstract |
The invention belongs to silicon rubber composite material technical fields more particularly to a kind of silica gel base heat-resisting composite and preparation method thereof.A kind of silica gel base heat-resisting composite, including restrictive coating, the raw material of the restrictive coating include: 107 80-100 parts of dimethyl room temperature vulcanized silicone rubber raw rubbers by weight, 10-20 parts of ethylene propylene diene rubber, 60-80 parts of compounded mix, 4-6 parts of hydroxy silicon oil, 30-50 parts of modified carbon fiber, 30-50 parts of fire retardant, 1-2 parts of cumyl peroxide, 30-50 parts of gas-phase silica, 1-3 parts of double butyl tin oxide, 1-2 parts of dibutyl tin dilaurate, 1-3 parts of iron oxide, 1-3 parts of silicone powder.The thermal stability of silica gel base heat-resisting composite of the invention is high, resistance to ablation ability is strong, widely used. |