JB/T 7990-2025 PDF English
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| JB/T 7990-2025 | English | RFQ | ASK | 3 days [Need to translate] | (Superhard abrasives - Cubic boron nitride powder) |
| JB/T 7990-2012 | English | 319 | Add to Cart | 3 days [Need to translate] | Superabrasive. Synthetic diamond and cubic boron nitride micropowder |
| JB/T 7990-1998 | English | 399 | Add to Cart | 3 days [Need to translate] | Super-hard abrasive Micro powder of man-made diamond and borazon |
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Basic data
| Standard ID | JB/T 7990-2025 (JB/T7990-2025) |
| Description (Translated English) | (Superhard abrasives - Cubic boron nitride powder) |
| Sector / Industry | Mechanical & Machinery Industry Standard (Recommended) |
| Classification of Chinese Standard | J43 |
| Classification of International Standard | 25.100.70 |
| Date of Issue | 2025-05-09 |
| Date of Implementation | 2025-11-01 |
| Older Standard (superseded by this standard) | JB/T 7990-2012 |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | 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. |
