JB/T 7990-2025Superhard abrasives - Cubic boron nitride powder (English PDF)
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
May 9, 2025
Implementation date
November 1, 2025
Scope
JB/T 7990-2025 (Superhard abrasives - Cubic boron nitride powder) is available as an English-translated PDF.
JB/T 7990-2025 — This standard specifies the product marking and technical requirements for cubic boron nitride micropowder, describes the corresponding test methods, and specifies inspection rules, marking, packaging, transportation, and storage.
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Document preview — JB/T 7990-2025
National Standard of the People's Republic of China
- ICS
- 25.100.70
- Classification
- J 43
- Replacing
- JB/T 7990-2012
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the product marking and technical requirements for cubic boron nitride micropowder, describes the corresponding test methods, and specifies inspection rules, marking, packaging, transportation, and storage. This document applies to the manufacture of cubic boron nitride micropowder.
Document data
International classification (ICS): 25.100.70.
Chinese classification (CCS): J43.
Estimated length of the Chinese original: 9,991 words.
Supersedes the earlier edition JB/T 7990-2012.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 35479-2017Super-abrasive products -- Grinding tools with diamond or cubic boron nitride -- General survey and designation
- JB/T 13307-2017Superabrasive products - Diamond slurries
- JB/T 13310-2017Coated abrasives - Polyester film abrasives
- JB/T 12542-2015Superabrasive - Detonation polycrystalline diamond powders
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