Abrasive Group

About the product

Product lineup

A:

A standard brown electrofused-alumina abrasive.

WA:

A high-purity white electrofused-alumina abrasive, suited for applications that must avoid heating.

SA:

A single-crystal abrasive grain, suited for hard materials. In addition to a grade for general use, there are grades for resinoid bonded grinding wheels and coated abrasives.

PW:

A pink lavender color, improved WA, having a longer life span.

SM:

Having compact structure, a very tough cylindrical brown sintered alumina abrasive.

SR:

Having compact structure, a very tough cylindrical high-purity white sintered alumina abrasive. A non-fixed form grade, “SR-3” is also available.

C:

A standard black silicon carbide abrasive. A grade for coated abrasives is also available.

GC:

A high-purity green silicon carbide abrasive.

Alumina abrasive grains / Typical properties

Name Product name Al203(wt%) SiO2(wt%) Fe2O3(wt%) TiO2(wt%) Toughness Knoop hardness Bulk density Characteristics
Morundum A-40 96.5 0.5 0.1 2.3 regular 2020 mid Brown fused alumina abrasive
Morundum A-43 96.5 0.5 0.2 2.3 regular 2020 mid Brown fused alumina abrasive
Morundum A-47 96.5 0.5 0.1 2.3 friable 2020 low Brown fused alumina abrasive
White Morundum WA 99.6 0.02 0.03 trace tough 2050 mid High-purity white fused alumina abrasive
Single Morundum SA 99.6 0.03 0.03 0.3 friable 2250 low Single-crystal type alumina abrasive
Pink Morundum PW 99.3 0.07 0.04 0.3 regular 2100 mid Fused alumina abrasive
Sinter Morundum SM 88.0 3.3 4.8 3.4 tough 1250 - Sintered alumina abrasive
Sinter Morundum SR 99.2 0.2 0.1 - tough 2000 - Sintered alumina abrasive

Silicon carbide abrasive grains / Typical properties

Name Product name SiC(wt%) Free C(wt%) SiO2(wt%) Fe(wt%) Toughness Knoop hardness Bulk density Characteristics
Densic C 98.7 0.2 0.5 0.2 regular 2700 mid Black silicon carbide abrasive
Green Densic GC 99.3 0.2 0.2 0.02 regular 2700 mid high-purity green silicon carbide abrasive

Application

Alumina abrasive grains

Product name Characteristics Application
A-40 Standard brown fused alumina. Very little iron content. Mainly for vitrified bonded grinding wheels. Grinding wheels, coated abrasives, refractories
A-43 Standard brown fused alumina. Mainly for resinoid bonded grinding wheels and abrasive blasting. Grinding wheels, coated abrasives, abrasive blasting
A-47 Having a sharp edge and friable characteristic, is suited for softer abrasive wheels. Precision grinding wheels
WA High-purity white fused alumina abrasive, suited for applications that must avoid heating. Grinding wheels, coated abrasives, fillers, refractories
SA Single-crystal type abrasive grain, suited for hard materials. Grinding wheels, coated abrasives, abrasive blasting
PW Pink in color, and is an improved version of the WA type. Longer lasting. Grinding wheels, coated abrasives
SM Having compact structure, a very tough brown sintered alumina abrasive. Grinding wheels, barrel
SR Having compact structure, a tough sintered high-purity white alumina abrasive. Grinding wheels, barrel

Silicon carbide abrasive grains

Product name Characteristics Application
C Standard black silicon carbide abrasive Grinding wheels, coated abrasives, abrasive blasting, refractories
GC High-purity green silicon carbide abrasive Grinding wheels, refractories

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Associated Information

Packaging

Flexible container 500kg, 1000kg or Paper bag 20kg.Paper bag, one way bag

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