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The standard catalyst for both T20 and T28 RTV silicone rubbers. It is used in the ratio of 20 : 1 (5%), giving a pot life of 100 minutes, cure 24 hours (times are a guide only and will depend on conditions).

Packs of the rubber are supplied with the correct amount of rubber to catalyst to give, in both cases, a pourable rubber. Catalyst is clear / translucent in colour.

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