Aluminium Trihydrate can be added to casting resins at an approximate maximum percentage of 200% by weight (e.g. 200g of filler powder to 100g of resin). Our Aluminium Trihydrate Filler Powder is compatible with all popular casting resins, including polyurethane, epoxy and polyester.
Heavy Granule Filler used to bulk out PU Resins. This can be added to PU resins such as FC54 at up to 100% by volume, reducing both shrinkage and the heat build up when the resin cures, cutting material cost.