A single pack sealer designed for use as part of an approved Altex Coatings Ltd single pack, solvent borne intumescent coating system. It is applied to cured approved intumescent coatings to protect it from moisture ingress, so that steel may be stored outside with enhanced weathering properties.
It can minimise solvents in the subsequent finish coats from re-entering the approved intumescent film.
When correctly applied to partially cured approved intumescent, Pro~Seal™ allows residual solvents, retained within the approved intumescent to transpire through the film. Full cure (hardness at Shore D-50) may then be achieved for the intumescent film.