Offer Details

Enquiry No. : 7121648 (USA)

Description :Our company is a broker in international trading business
right now, we are looking for 30.000MT ordinary Portland
cement: 42.5 N OR 42.5 R - DIN EN 196 OR BSS 12/1996 OR ASTM C-150
Chemical composition :
silicon dioxide (sio2) 20.8-21.5
aluminum trioxide (al2o3)5.30
ferric oxide (fe2o3) 3.30 * calcium oxide (cao) 64-66
magnesium oxide (mgo) 1.7-3.0
sulphate (so3) 2.70-3.0
loss on ignition(loi)1.6-3.0 **dicalcium silicate (c2s) 14.2-18.2
tri calcium silicate (c3s) 5.0-54.4
tri calcium aluminate(c3a)6.0-6.8
tri calcium alumino ferric (c4af) 10.5-12.0
physical and mechanical properties:
fineness by blain cm/g 3.25
autoclave expansion 002
initial setting time (vicat)3:25-4:50 minutes
final setting time(vicat)4:54-6:00 minutes
compressive strength @ 03 day\'s 26.5-34.2 kg/cm2
compressive strength @ 07 days 37.3-42.5 kg/cm2
compressive strength @ 28 day\'s 52.8-54.6 kg/cm2
packaging : 50kg. bags