N sand casting, re-usable, permanent patterns are used to make the sand moulds. The preparation and the bonding of this sand mould are the critical step and very often are the rate-controlling step of this process. Two main routes are used for bonding the sand moulds: • the "green sand" consists of mixtures of sand, clay and moisture. • the "dry sand" consists of sand and synthetic binders cured thermally or chem
Deals in Steel Castings, Aluminum Casting, Aluminum Die Casting
G. M. Steel Casting Udyog
43, Natabar Paul Road, Rathtala, Belgachia, West Bengal - 711101, India
7/1, Rajkrishna Kumar Street , P.o. – Belurmath, Howrah - 711202, West Bengal - 711202, India
Nif Ispat Ltd.
46 M.a.k. Azad Road, West Bengal - 711101, India