We are in requirement of 5.00 lac tones of mineral Gypsum (is : 6046-1982) which should pass through a 2mm sieve but at least 50% of it should pass through a 0.25 mm (60 mesh) sieve and contain not less than 70% calcium sulphate dihydrade (caso42h2o) and the sodium content of the mineral should not be more than 0.75% .
Please send us the details how to proceed with the following.