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  • Durasil Base

  • Trade deals available on this product – please enquire.


Very popular silicone, one of the highest quality silicones on the market. Gives excellent reproduction and mould life, ideal for plaster, concrete and resin casting. Thickens well for brush-on applications, using Silastic Thixo Additive.


You will need to buy Silicone Catalyst separately, which is available in Fast, Very Fast and Slow setting speeds. Fast is recommended as standard. These catalyst normally pigmented red to assist in mixing, however the Fast is available clear.


20kg Base requires 2kg Silicone Catalyst

5kg Base requires 500g Silicone Catalyst

1kg Base requires 100g Silicone Catalyst


Silicone Catalyst

Gel Time (working time)

De-Mold Time

Mixing Ratio


40 minutes

10 hours

100:10 Base:Catalyst

Very Fast

15 minutes

3 hours

100:10 Base:Catalyst


120 minutes

24 hours

100:10 Base:Catalyst


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