سیمان ارومیه- سیمان پوزولانی

A:Chemical Specification

Description

Test Results(%)

Acceptance Limits

(according to ASTM C595/C595M-13)

SiO₂

30.37

-

Al₂O₃

5.10

-

Fe₂O₃

3.08

-

CaO

51.25

-

MgO

1.69

Max  6%

SO₃

2.70

Max 4.0%

K₂O

0.75

-

Na₂O

0.08

-

LOSS on ignition

4.79

Max 5.0%

Free Lime

0.95

-

Cl

0.021

Max 0.1%

Insoluble Material

10.25

Max  1.5%

Amount of Pozzolana

22.18

-

B:Physical Specification

Description

Test Results

Acceptance Limits

(according to ASTM C595/C595M-13)

3  Days Compressive Strength(MPa)

20.21

Min 13

7  Days Compressive Strength(MPa)

26.75

Min 20

28  Days Compressive Strength(MPa)

40.53

Min 25

7 Days Heat of Hydration(kj/kg)

-

Max 290

28 Days Heat of Hydration(kj/kg)

-

Max 330

Air Content of Mortar (%)

4.0

Max 12

Fineness (cm²/gr)

4561

^-

Initial Setting Time (Min)

185

Min 45

Final Setting Time (Hour)

3:50

Max 7

Autoclave Expantion (%)

0.05

Max 0.8

Autoclave Contraction (%)

0.0

Max 0.2