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GB/T 34557-2017 English PDF

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GB/T 34557-2017: Latex and redispersible polymer powder for mortar and concrete
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GB/T 34557-2017English199 Add to Cart 3 days [Need to translate] Latex and redispersible polymer powder for mortar and concrete Valid GB/T 34557-2017

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Basic data

Standard ID GB/T 34557-2017 (GB/T34557-2017)
Description (Translated English) Latex and redispersible polymer powder for mortar and concrete
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q12
Classification of International Standard 91.100.99
Word Count Estimation 10,196
Date of Issue 2017-10-14
Date of Implementation 2018-09-01
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34557-2017: Latex and redispersible polymer powder for mortar and concrete

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Latex and redispersible polymer powder for mortar and concrete ICS 91.100.99 Q12 National Standards of People's Republic of China Mortar, concrete latex and redispersible polymer powder 2017-10-14 Published 2018-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Building Materials Federation. This standard by the National Standardization Technical Committee cement (SAC/TC197) centralized. This standard drafting unit. Suzhou Concrete Cement Research Institute Co., Ltd., Suzhou East New Building Materials Co., Ltd., Sika (China) Co., Ltd., Shanghai Tianli Commodity Concrete Co., Ltd., Xiamen Asi European Standard Co., Ltd., Suzhou Sinoma Building Materials Design and Research Institute Limited. The main drafters of this standard. Yue Qiuhui, Xi Feida, Tang Guobao, Xu Jun, Li Wei. Mortar, concrete latex and redispersible polymer powder

1 Scope

This standard specifies the mortar, concrete latex and redispersible polymer powder classification, general requirements, technical requirements, test methods, testing Rules, signs, factory, packaging, transportation, storage and so on. This standard applies to improve the performance of mortar, concrete latex and redispersible polymer powder.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6679 General rules for sampling solid chemical products GB/T 6680 General rules for sampling liquid chemical products GB/T 7531 organic chemical products Determination of residue on ignition Concrete admixtures Test method for uniformity of GB/T 8077 concrete admixtures GB/T 8170 rounded repair rules and limit values of the representation and judgment GB/T 8325 Polymers and copolymers - Determination of pH value of aqueous dispersions GB/T 11175 synthetic resin emulsion test methods GB/T 50082 ordinary concrete long-term performance and durability test methods standards DL/T 5126 polymer modified cement mortar test procedures

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Latex latex By the monomer (the same, two or more different monomers) by emulsion polymerization polymerization emulsion (or copolymer emulsion), but also by the liquid Polymer emulsion formed by the emulsion. Emulsion systems include polymers, emulsifiers, stabilizers, dispersants, defoamers, water and the like. Also known as latex. 3.2 Redispersible polymer powder redispersiblepolymer Redispersible powder is the resin emulsion pretreatment (adding protective colloid, anti-caking agent, etc.), and then by spray-drying process Polymer powder; this powder is mixed again with water and redispersed in water. The performance of the new emulsion is basically the same as that of the original emulsion. 3.3 Burning residue ignitionresidue Samples of carbonized, high temperature burning residue after the material. Commonly known as ash. 3.4 Reference concrete or mortar referenceconcreteormortar Under the same test conditions, cement, aggregate and water are mixed to form cement concrete or mortar without any latex or redispersible polymer powder.

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