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Chemical,properties and sizes of pink fused alumina for refractory

CHEMICAL,PROPERTIES AND SIZES OF PINK FUSED ALUMIINA FOR REFRACTORY

Pink fused alumina is also called pin aluminum oxide,pink corundum,pink electrocorundum,”PFA””PA” for short.

It is made from mainly chrominum oxide and aluminum oxide.

PINK ALUMINUM OXIDE FOR REFRACTORY

Chemical of pink fused alumina for refractory

Item Al2O3(%) Cr2O3(%) Na2O(%) Fe2O3(%)
Low chrominum ≥98.5 0.2-0.45 ≤0.3 0.01-0.05
Medium Chrominum ≥98.2 0.45-1.00 ≤0.3 0.01-0.05
High Chrominum ≥97.5 1.00-2.00 ≤0.35 0.01-0.05

Physical properties of pink fused alumina for refractory

Basic minerals α-Al2O3
True density  g/cm3 ≥3.90
Bulk density g/ cm3 1.40-1.91
Knoop hardness kg/mm2 2200-2300

Sizes of pink fused alumina for refractory

0-1mm 1-3mm 3-5mm 5-8mm …

Manufacturer of pink fused alumina—zhengzhou haixu abrasives co.,ltd

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