Unibrite Corporation                  Port Washington, N.Y. 11050

Phone: 631-582-2800                          Fax:  631-582-2820                   Email: info@unibrite .com

 Silicon Carbide, Aluminum Oxide, Alumina, Glass Beads, Vibratory Compounds

Since 1956

[Under Construction]

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PRECISION ALUMINA

DATA SHEET

PRECISION GRADED

A UNFUSED HIGH PURITY CALCINED ALUMINA PRECISION DRIED SIZED

MAY BE USED IN APPLICATION FOR POLISHING, SPRAY POWDERS AND

AS A FILLER IN VARIOUS MATERIALS.

 

PHYSICAL PROPERTIES

APPEARANCE WHITE POWDER

PARTICLE SHAPE PLATE

LOI 0.1%

PH 9

MELTING POINT 2020 C

HARDNESS ( Knoop) 1800-2200

HARDNESS (MH) 9

BULK DENSITY 1.1-1.3 g/cc

CRYSTAL DENSITY 3.95 g/cc

PHASE ALPHA= 90%

TYPICAL CHEMICAL ANALYSIS

Al2O3                 99.2%

SiO2                       0.03

Na2O                       0.6

CaO                         0.05

Fe203                        0.02

MICRON SIZES

45,45,30,35,25,22,20,18,15,12,9,5,2,1*
Last modified: 12/23/09