Foundry Additives Home / Foundry / Foundry Additives / Carbon 99 3mm-9mm Carbon 99 3mm-9mm Carbon 99 3mm-9mm £4.00 Stock Status: In Stock Options: 1KG Pack 5KG Pack 25KG Pack 500KG 1000KG Add to your Wish List You will earn 4 points with this purchase Information Carbon 99 is a recarbonizer, this adds the carbon back to iron that has been lost.