JB/T 7989-1997
Super-hard abrasive Technical specification for synthetic diamond (English Version)

Standard No.

JB/T 7989-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

Professional Standard - Machinery

Status

Be replaced 2012-11

Replace By

JB/T 7989-2012

Latest

JB/T 7989-2023

Scope

This standard specifies the particle size composition, impact toughness, compressive strength, bulk density, impurity content, inspection methods and acceptance rules of artificial diamond. This standard is applicable to single crystal artificial diamond synthesized by static pressure for manufacturing abrasive tools and drilling and sawing tools.

JB/T 7989-1997 history

• 2023 JB/T 7989-2023 Technical Specifications for Superabrasive Synthetic Diamond
• 2012 JB/T 7989-2012 Superabrasive.Technical condition of synthetic diamond
• 1997 JB/T 7989-1997 Super-hard abrasive Technical specification for synthetic diamond