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A high strength RTV silicone rubber. Pale grey in colour, pourable and slightly firmer than T20. It can be used for making block moulds or skin moulds where large undercuts are present. T28 is suitable for the casting of plasters, ciment fondu, waxes, polyester, polyurethane and epoxy resins. Shore A hardness is 25.

*This product is hazardous/flammable and must be sent by a road carrier, please see our delivery charges page for shipping information

Supplied as a kit complete with T6 catalyst to effect the standard pourable cure.

Cure time 24 hours. Additional catalyst is available. For a faster cure time use with T5 (fast) Catalyst.