Afcil industries limited presents afcisil. It is a range of foundry grade sodium silicate binders. It is used in co2 and self setting process for cores & moulds with or without in built breakdown agent.
Afcisil is developed by exacting specification of na2 : sio2 ratio, specific gravity, viscosity etc. It is widely used in iron, steel & non-ferrous foundries.
Afcisil is available in liquid form.
The advantages are :
Gives excellent consistent strength & hence reinforced is less or eliminated.
Develops strength at faster rate.
Gives exceptionally good collapsibility.
Gas evolution is very much less.
Imparts exceptionally good surface finish to the castings .
Improved dimensional stability and accuracy.
It mixes easily with sand & its addition rates are lower
