Item: P.O42.5R

Value

ITEMS

examine data

Standard

SiO2(%)

20.01

------

GB/T 176-1999

Al2O3(%)

5.42

------

GB/T 176-1999

Fe2O3(%)

3.06

------

GB/T 176-1999

f-CaO(%)

1.23

------

GB/T 176-1999

CaO(%)

59.65

------

GB/T 176-1999

Alkalis(%)

0.56

-----

GB/T 176-1999

MgO(%)

3.22

≤6.0

GB/T 176-1999

SO3     (%)

2.66

≤3.5

GB/T 176-1999

LOI(%)

3.26

≤5.0

GB/T 176-1999

C3S

37.42

-----

GB/T 176-1999

C2S

29.16

-----

GB/T 176-1999

C3A

9.17

-----

GB/T 176-1999

C4AF

9.30

-----

GB/T 176-1999

2.2

≤10.0

GB/T 1345-1991

Fineness(80μm residue on sieve) (%)

Water requirement of normal consistency(ML)

135.0

------

GB/T 1346-2001

158

≥45

GB/T 1346-2001

Setting Time:Initial(min)

256

≤600

GB/T 1346-2001

Setting Time:Final(min)

GB/T 1346-2001

Soundness(pat test)

qualified

qualified

6.5

≥4.0

GB/T 17671-1999

Strength(3 Days):Bending Strength(Mpa)

28.6

≥21.0

GB/T 17671-1999

Strength(3Days):Compressive Strength(Mpa)

8.1

≥6.5

GB/T 17671-1999

Strength(7 Days):Bending Strength(Mpa)

49.5

≥42.5

GB/T 17671-1999

Strength(28 Days):Compressive Strength(Mpa)