SPECIFICATION TEST

Chemical parameters

MAX

M1N

RESULTS

SILICON D1-OX1DE.

Si02 %

-

 -

20.85

ALUMINIUM OXIDE

A1203 %

-

 -

4.25

FERRIC OXIDE

Fe203 %

 -

 -

3.76

CALCIUM OXIDE

CaO %

 -

- 

63.8

MAGNESIUM OXIDE

MgO %

5.0

 -

1.64

POTASSIUM OXIDE

KiO %

-

-

0.57

SODIUM OXIDE

Na;0 %

-

-

0.34

SULPHURIC ANHYDRIDE

S03 %

3-5

 -

2.61

CHLORIDE

CI %

0.1

 -

0.01

LOSS ON IGNITION

5.0

 -

2.5

INSOLUBLE RESIDUE

5.0 

 -

0.45

TR1CALC1UM ALUMINATE

-

 -

4.91

Physical Testing

SPECIFICATION

TEST RESULTS

I. FINENESS SPECIFIC SURFACE (m²/kg)

---------------

356

2. SETTING TIME (minutes) (A) INITIAL SET

60

Minimum

125

3. SOUNDNESS (mm) (LE CHATLIER)

(A) 24 HOURS EXPANSION

(B) IF ABOVE TEST FAILS, EXPANSION AFTER 7 DAYS DERATION.

10

5

Maximum Maximum

0.5

  -----

4. COMPRESSIVE STRENGTH (N/mm¹) Mortar Prisms

 (A) 2 DAYS

(B) 7 DAYS

 (C) 28 DAYS

10

______________

42.5 to 62.5

Minimum

14.5

 38.7

44.5