Silastic Curing Agent - Industrial Plasters Ltd.
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Silastic Curing Agent

Curing Agent (Catalyst) for the Silastic range of silicones. This clear curing agent is available in 3 types and speeds as detailed below.


1kg base Silicone requires 50g Curing Agent

5kg base Silicone requires 250g Curing Agent

20kg base Silicone requires 1kg Curing Agent


Silastic 81-F

A fast curing agent is the most popular and is recommended as standard. Ideal for both pouring and brush-on applications.

Gel Time: 30 minute

De-Mold Time: 5 hours


Silastic 81-R

Is a slower setting cure and is also more resistant to polyester resin, so increases the mould–life when casting resin into your silicone moulds. Ideal as a general purpose cure and for pouring moulds.  Also suitable for use with Silastic 3483 Silicone Base

Gel Time: 90 minute

De-Mold Time: 24 hours


Silastic 81-VF

This really is Very Fast ! Only use in specific applications where speed is essential.

Gel Time: 10 minute

De-Mold Time: 1½ hours

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