Catalyst Butanox MEKP 30kg
An MEKP (Methyl Ethyl Ketone Peroxide) Accelerated Catalyst. Also Known as Hardener, or just Peroxide.
We recommend this product only because it is pure and consistent. Use between 1.5% and 3% in your polyester resins. See the advice on cans for the optimum quantity.
Overcatalysing resin causes a rubbery, soft resin. Undercatalysed resin will not go hard.
