GB/T 28631-2012Calcium aluminate agents for dry-mixed mortar (English PDF)
用于干混砂浆的铝酸钙添加剂
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 31, 2012
Implementation date
February 1, 2013
Scope
GB/T 28631-2012 is the English-translated version of 用于干混砂浆的铝酸钙添加剂.
GB/T 28631-2012 is the Chinese standard "Calcium aluminate agents for dry-mixed mortar". Its scope clause reads: This standard specifies the terms and definitions used in dry mortar calcium aluminate additives, technical requirements, test methods, inspection rules, packaging, Labeling, transport and storage.
This standard applies to all kinds of calcium aluminate additives used in dry mortars. Its clauses include terms and definitions.
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Document preview — GB/T 28631-2012
National Standard of the People's Republic of China
- ICS
- 91.100.10
- Classification
- Q 13
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 Calcium aluminate additives Calciumaluminateagentsfordry-mixedmortar
- 4.1 Chemical composition
1 Scope
This standard specifies the terms and definitions used in dry mortar calcium aluminate additives, technical requirements, test methods, inspection rules, packaging,
Labeling, transport and storage.
This standard applies to all kinds of calcium aluminate additives used in dry mortars.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 176 cement chemical analysis
GB 201 aluminate cement
GB/T 205 aluminate cement chemical analysis
GB/T 1345 cement fineness sieve analysis test method
GB/T 1346 cement standard consistency water, setting time and soundness test method
GB/T 2015 white portland cement
GB/T 2419 cement mortar fluidity measurement method
GB/T 8074 cement Blaine specific surface area measurement method method
GB 8076-2008 concrete admixture
GB 9774 packing bag
GB/T 12573 cement sampling method
GB/T 17671 cement mortar strength test method (ISO method)
JC/T603-2004 cement mortar shrinkage test method
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Calcium aluminate additives Calciumaluminateagentsfordry-mixedmortar
In a calcium aluminate (CA) as the main mineral components of a melting method or sintered calcium aluminate clinker production made of finely ground powder material.
Gypsum and additive compound should use calcium aluminate additives are generally in accordance with the content of aluminum oxide are classified into CAA-50,
CAA-70 two varieties, CAA-50 and by the fineness and intensity of type I, II type.
4. Technical Requirements
4.1 Chemical composition
Chemical composition of calcium aluminate additive by additive mass fraction shall comply with the requirements of Table 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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