84-08-38228155
135A Pasteur, Ho Chi Minh, Ho Chi Minh City, Vietnam
k@waimaotong.com
OPC packing in 42,5kg bag, 50kg bag, jumbo bag 1,5-2ton.
Specification of Cement
No
result
I
Chemical test
1
Loss on Ignition
%
2.0 ÷ 4.0
2
Insoluble Residue
0.3 ÷ 2.5
3
SiO2
19.0 ÷ 22.0
4
Al2O3
4.0 ÷ 6.0
5
Fe2O3
2.5 ÷ 3.5
6
CaO
61.0 ÷ 67.0
7
MgO
1.0÷ 4.0
8
SO3
1.6÷ 2.2
9
Free lime
0.3 ÷ 1.5
10
Toltal alkali, (Max)
0.75
11
(C3S + C2S), (Min)
54.0
12
C3A, (Max)
14
C4AF, (Max)
7 ÷ 11
15
False Set, (Min)
50
16
Chloride, (Min)
0.1
II
Physiscal test
9 ÷ 11
Fineness Blaine, ( Min)
cm2/g
3400
Soundness: Lecateller test, ( Max)
mm
Air content or mortar
5 ÷ 10
Autoclave Expansion
0.03 ¸ 0.20
Setting time, (Vicat test)
Initial,
Final,
min
110 ¸ 160
200 ÷ 300
Compressive Strength
3 days, (Min)
7 days, (Min)
28 days, (Min)
psi
2320
3480
5220
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