RTV 1128 is a condensation cure, tin silicone moulding rubber with a full cure time of 24 hours depending on catalyst.
Pot life is 109 mins and base : catalyst mixing ratio is 33 : 1 (or 100g of base to 3g catalyst) by weight.
 
Ideal uses include : brush up molds, block molds, matrix molds etc
 
RTV 1128 can be used with our accompanying Thixothropic agent to create thicker molds or simply for projects which require a more vertical brush layer.