The composition of the coating of the ablation and the substrate carrying this composition cured.

摘要

The invention relates to a composition which has, at the cured state, the properties of the ablation and which comprises (a) a polydiorganosiloxane curable, (b) a hardening agent for that - ci, (c) of the silicon carbide and (e) a load. & br / the silicon carbide is in the form of fibers of which at least 70% by weight have a length between 0,5 and 9 mm and the composition also contains (d) of the carbon fibers. & br / application to the protection for aero-spacecraft and rocket motors.