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CEM II/A-V 42,5 R

CEM II/A-V 42,5 R *), MKS; CEM II/B-M (V-L) 42,5 N
*) 45S – a class of cement with ordinary early (at 3 days) compressive strength indicated by C

Standard: Actual valid standard is MKC, According to the EN 197-1, this type and strength class of cement is equivalent to CEM II/B-M  42.5N

Composition: Portland cement with additive of natural or artificial pozzolana Hydraulic binding material which is produced by grinding of Portland cement clinker, gypsum and maximum 30% of additives.

Application: according the Rulebook on technical measures and requirements for concrete and reinforced concrete (BAB '87).

Characteristic:

 
Chemical requirement

Standard requirements

Achieved values 2008 

Loss of ignition (no moisture at 105oC) max %

5

3-3.5

Insoluble residue, max %

/

/

SO3 , %

3.5

2.5-3

Chlorides, max %

0.1

0.0066

Residue on 0.09mm sieve, max

10

2.5-2.8

Specific surface acc. to Blaine cm2/g

2400

3900-4100

Volume without pores and cavities, min g/cm2

3

 

Setting time
Initial, not before min
Final, not after h

60
10

155
2.5

Bending strength at 3 days MPa

min 3

4.7

Compressive strength at 3 days MPa

min 14

26.3

Bending strength at 28 days Mpa

min 5.5

8.1

Compressive strength at 28 days MPa

min 40

50.7

Soundness (Expansion) mm

max 10

0.4-0.6

 Water demand %

max 31

 30.8


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Boris Trajkovski 94, st. 
1000, Skopje FYR. Macedonia

Tel: 00389 (2) 2782 500
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