Pink alumina   (PA)

Description and use: PA is a pink aluminum oxide obtained by melting bauxite and chromium ore roasted in an electric arc furnace.

Color: Pink

Ignite color 1300℃: pink 

Crystal structure: Large crystals of bauxite from the trigonal species, hexagonal system.  

Melting point (℃): 2030 

Tough (ANSI -B.. 74.8.1987): 43% 

Hardness: Moss-9 

Bulk density (NBR8592-1995): 3.59 g/cm3

Obvious dense pores (NBR8592-1995): 6.50%

Crystal size (μm) (2): 6.000 

True specific gravity: 3.94 g/cm3

　

L grit: --

R grit: 0.005 

B grit: 0.005 

　

 

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