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Pink Fused Alumina

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Pink Fused Alumina

Pink Fused Alumina is produced by adding chromium oxide to high purity aluminum oxide during the fusion process. The amount of chromium oxide added affects the color of the final product, as well as the toughness of the grain. With increased additions of chromium oxide, the toughness of the grain increases.

CHEMICAL COMPOSITION

Specification Low chromium Medium chromium High chromium
Al2O3(%) Cr2O3(%) Na2O(%) Al2O3(%) Cr2O3(%) Na2O(%) Al2O3(%) Cr2O3(%) Na2O(%)
F12-F80 ≥98.50 0.20-0.45 ≤0.50 ≥98.20 0.45-1.00 ≤0.55 ≥97.40 1.00-2.00 ≤0.55
F90-F150 ≥98.50 0.20-0.45 ≤0.50 ≥98.20 0.45-1.00 ≤0.60 ≥97.00 1.00-2.00 ≤0.60
F180-F2000 ≥98.50 0.20-0.45 ≤0.50 ≥97.80 0.45-1.00 ≤0.70 ≥96.50 1.00-2.00 ≤0.70


PHYSICAL PROPERTIES

Basic minerals Crystal size μm True density  g/cm3 Bulk density g/ cm3 Knoop hardness kg/mm2
α-Al2O3 600-2000 ≥3.90 1.40-1.91 2200-2300


Applications:

The abrasive tools made of Pink fused alumina feature excellent durability and high processing cleanness, which are suitable for

Precision grinding of the measuring tools

Lathe main shafts

Instruments and apparatus parts

Threading workpieces

Samplers

Available Sizes:

Fraction 0-1MM 1-3MM 3-5MM 5-8MM 
Fine 200#-0 320#-0
Grains 12# 14# 16# 20# 24# 30# 36# 46# 54# 60# 80# 100# 120# 150# 180# 220#
Micropowder F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000