An iron containing soluble organic siloxane polymer heat-resistant silica gel additives, ingredients and accessories from the composition. Its features are: PFS organosiloxane containing ingredients, materials containing hydroxyl end badly based polysiloxane, high temperature curing silica gel raw rubber and metal oxides: the formula to count the number of copies by weight: polyethylene oxide of iron Silicone hydroxyl-terminated alkyl polysiloxane 100 copies of high-temperature curing silica gel 0-80 gum 0-80 copies 10-80 copies of the performance of metal oxide characterized in that: the soluble organic siloxane polymer can be a solid iron powder, it can be organic solvent solution; organic solvents can be methanol, ethanol, propanol and other alcohol solution, it can be benzene, toluene and other aromatic solution.