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1、Selection of Abrasive materials:
    (1) According to Original criterion of Industry Department

Series

Code

Granularity

Applying fields

Diamond No.1

JR1

46#~280#

Used to make Resin binder grinding tools

Diamond No.2

JR2

46#~120#

Used to make Metal binder grinding tools


    (2) According to Criterion of China

Series

Code

Granularity

Usage

Narrow series

Broad series

Synthetic Diamond

RVD

60/70~325/400

60/80~270/400

Used to make resin/ceram binder grinding tools or for grinding etc.

MBD

50/60~325/400

60/80~270/400

Used to make metal binder grinding tools, plating products, drilling tool or for grinding etc.

Cubic Boron Nitride

CBN

20/25~325/400

20/30~270/400

Used to make resin/metal/ceram binder grinding tools etc.


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