Resin Additives/Catalyst
All Fibreglass Resins & Topcoats require the addition of a minium 1% Catalyst and a maximum of 4% Catalyst added.
Follow the basic principles based on weight for example 10kg will use 200ml at 2%
1kg @ 1% is 10ml 1kg @ 2% is 20ml 1kg @ 3% is 30ml 1kg @ 4% is 40ml
How to mix Catalyst video guide click here
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ResiRoof® Winter Catalyst/Hardener 100g£2.59 £2.16Key Features: ❄️WINTER USE
- Controlled cure time
- Mixes with ease (self-searching characteristics)
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- TOP SELLERS!
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ResiRoof® Winter Catalyst/Hardener 500g£8.06 £6.72Key Features: ❄️WINTER USE
- Controlled cure time
- Mixes with ease (self-searching characteristics)
- TOP SELLERS!
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ResiRoof® Winter Catalyst/Hardener 1kg£10.50 £8.75Key Features: ❄️WINTER USE
- Controlled cure time
- Mixes with ease (self-searching characteristics)
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Cromar Pro GRP Hardener 1kg£10.79 £8.99Out of stock25 year Guarantee Cromar PRO GRP Resin
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Cromar Pro GRP Hardener 5kg£35.99 £29.99Out of stock25 year Guarantee Cromar PRO GRP Resin
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