Foundry Additives Home / Foundry / Foundry Additives / Exopure CU523 Exopure CU523 Exopure CU523 £4.00 Stock Status: In Stock Options: 1KG Pack 5KG Pack 25KG Pack Add to your Wish List You will earn 4 points with this purchase Information Copper Based Alloy Flux for Brass Related Products Insulating Castable Refractory (25KG Bag) Graded to 1250°C 0r 1400°c From: £30.00 Mouldable Refractory 1600°C Graded to 1600°C £35.00 Mouldable Refractory 1650°C graded to 1650°C £50.00 Mouldable Refractory 1700°C Graded to 1700°C £55.00