QB/T 1640-1992Physical Properties Test Methods of Gypsum Powder for Ceramic Die (English PDF)
陶瓷模用石膏粉物理性能测试方法
QB/T 1640 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| QB/T 1640-2015 | Test method for physical property of gesso for ceramic mould | Valid |
| QB/T 1640-1992 | Physical Properties Test Methods of Gypsum Powder for Ceramic Die | Obsolete |
QB/T 1640-1992 is obsolete. It has been replaced by QB/T 1640-2015. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Ministry of Light Industry
Level / Type
National · Recommended
Issue date
January 15, 1993
Implementation date
September 1, 1993
Scope
QB/T 1640-1992 is the English-translated version of 陶瓷模用石膏粉物理性能测试方法.
QB/T 1640-1992 is the Chinese industry standard "Physical Properties Test Methods of Gypsum Powder for Ceramic Die". It was issued on January 15, 1993 by the Ministry of Light Industry, and took effect on September 1, 1993. It is obsolete: it has been replaced by QB/T 1640-2015.
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Document preview — QB/T 1640-1992
National Standard of the People's Republic of China
Issued by: Ministry of Light Industry
Contents
- Document data
1 Document data
Sector: Light Industry (industry standard).
Issuing body: Ministry of Light Industry.
Date of issue: 1993-01-15.
Date of implementation: 1993-09-01.
Status: obsolete, replaced by QB/T 1640-2015.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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