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Abrasive-grade SIC

Product Description

Introduction: the processing method is photo electricity settlement meter.


The granularity grading of abrasive-grade SiC GB/T2481.1-1998


Abrasive-grade Sic


Variety

Granularity

Granularity grading(%)

Coarsest grain

Coarse

grain

Basic

grain

Blending

grain

Fine

grain

Black and Green SIC

F4-F7

0

≤20

≥40

≥70

≤3

F8-F22

0

≤20

≥45

≥70

≤3

F24-F36

0

≤25

≥45

≥65

≤3

F40-F60

0

≤30

≥40

≥65

≤3

F70-F80

0

≤25

≥40

≥65

≤3

F90-F120

0

≤20

≥40

≥65

≤3

F150-F220

0

≤15

≥40

≥65

≤3


Chemical index of abrasive –grade SIC GB/T2480-1996

Variety

Granularity

Chemical index(%)

SiC

F.C.

Fe 2O3

Black

SiC

F12-F90

≥98.5

≤0.20

≤0.60

F100-F150

≥98.0

≤0.30

≤0.80

F180-F220

≥97.0

≤0.30

≤1.20

Green

SiC

F12-F90

≥99.0

≤0.20

≤0.20

F100-F150

≥98.5

≤0.25

≤0.50

F180-F220

≥97.5

≤0.30

≤0.70







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