ISL J61W / TAPORA sand
Near white, high-purity silica sand is widely used for foundry casting and mould making. Firmly established as the best sand in New Zealand for this purpose.
Typical Chemical Analysis:
Silica 99.32%
Aluminium Oxide 0.16%
Ferric Oxide 0.07%
Calcium Oxide 0.10%
Magnesium Oxide 0.02%
Sodium Oxide 0.02%
Potassium Oxide 0.10%
Moisture 0.10%
Loss on Ignition 0.2%