Enquiry No. : 7083128 Colombo (Sri Lanka)
Description :We are interested in Portland cement packed in 50 kg bags.
buyers name to be printed on bags. Quantity 12,500 mt per
month x 12 months. Payment by government LC. Please quote
your best price CNF or CIF Colombo Sri Lanka.
Cement specification required are as follows -:
Grade 53 (SLS/107/2002)
Chemical Requirement:
Lime Saturation Factor(LSF) Not greater than 1.02 not
less than 0.66
Insoluble residue:%(m/m) 1.5 Max
Magnesia%(m/m)Sulphate(SO3) 5.0 Max
Loss on ignition 4.0 Max
Chloride % 0.1 Max
Physical Requirements:
Compression strengths
3 days 20 min
28 days not more than 62.5 but not less than 40
Setting Time Mins. -initial 30 mins
-final 600 max
Soundness -Lechatelier 10 Max
Autoclave 0.8 Max
Fineness 225 Min
Grade 43,
Chemical
Loss on Ignition; not more than5
Magnesium Oxide not more than 6%
SO 3 Not more then 2.5%
Insoluble residue Not more then 3%
Physical
Compressive strengths
3 days Not less than 26 Mpa
7 days Not less than 33 Mpa
28 days Not less than 43 Mpa
Please send us detail quote along with cement specification