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Silicone Catalyst 10% (for Silastic™ 3481, 3483)


Curing Speed: Slow
Size: 100g
Sale price


This range of Silicone Catalyst is for use with Silastic 3481 Silicone, however, it is also compatible with Silastic 3483. Add to the silicone base at 10% by weight (you can also use volume to measure the catalyst which is accurate enough) this Catalyst is red in colour to assist with mixing, however, the Fast is also available clear. 

Available in 3 speeds; Fast, Very Fast and Slow setting speeds. Fast is recommended as standard. The shelf-life of this product is 9 months.


The following quantities are required;

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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