CALCINED ALUMINA

                                                                 (18-22 MICRON)

 

GRADE: PG 20 GRADE

 

DESCRIPTION: THIS IS A WHITE, CRYSTALLINE, PREDOMINANTLY ALPHA ALUMINA. IT HAS BEEN DEVELOPED THROUGH CONTROLLED CALCINATIONS TO OBTAIN CONSISTENT PARTICLE SHAPE AND HARDNESS/SOFTNESS SO VITAL FOR POLISHING APPLICATION.

 

SPECIFICATIONS:

MEDIAN PARTICLE SIZE D50

18-22μm

PRIMARY CRYSTAL SIZE

1μm MAX.

DEGREE OF CALCINATIONS

75-85%

SPECIFIC GRAVITY

3.65

BET SSA

8-12 m2/g

ANGLE OF REPOSE

35

OIL ABSORPTION

35-45g/100g

PH (10% W/V)

9-10

L.O.I.

0.30% MAX.

AL2O3*

99.2% MIN.

NA2O

0.45% MAX.

SIO2

0.05% MAX.

FE2O3

0.04% MAX.

TIO2

0.010% MAX.

CAO

0.035% MAX.

 

* L.O.I FREE BASIS (BY DIFFERENCE)

 

USES: POLISHING BARS, PASTE AND EMULSIONS FOR STEEL, NON-FERROUS METALS AND MARBLE, GRANITE, GEMS, ETC.

 

PACKING: NORMALLY SUPPLIED IN POLY-LINED HDPE BAGS, EACH BAG CONTAINING APPROX. 50 KG. MATERIAL. OTHER FORMS OF PACKING CAN BE CONSIDERED ON REQUEST.

 

HEALTY & SAFETY: THIS PRODUCT WHEN PROPERLY USED DOES NOT CONSTITUTE A RISK TO HEALTH NOR DOES IT CARRY ANY FIRE OR EXPLOSION HAZARD. IT IS RECOMMENDED THAT DUST MASK IS WORN AS FINE DUST CAN CAUSE IRRITATION TO THE BREATHING PASSAGE.