Thread: colouring clear casting resin

If polyester resin, then you need proper polyester tints, they can be bought from casting stores like barnes or dalchem


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Actually you can use oil paint pigment with PR, just not too much, it only takes a little like any additive.

What are you using, what catalyst and how much did you add, what temperature etc etc.

Hi bob. I use acrylic artist paints .it turns out ok. Robert.

I had been using some white pigment the type used when making surfboards that i bought from a fibreglass shop here in Newcastle and when I used it i believe I used too much and that caused the blanks to have that rubbery feel to it and take what seems like ages to dry and remained rubbery even after completion. I will say i wasn't happy with the look or feel of them at all and have stopped using that process for now.

cheers Ian