GB/T 6890-2012 English PDF

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GB/T 6890-2012: Zinc powder
Status: Valid

GB/T 6890: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6890-2012	599	Add to Cart	5 days	Zinc powder	Valid
GB/T 6890-2000	759	Add to Cart	5 days	Zinc powder	Obsolete
GB/T 6890-1986	RFQ	ASK	3 days	Zinc powder	Obsolete

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Basic data

Standard ID: GB/T 6890-2012 (GB/T6890-2012)
Description (Translated English): Zinc powder
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H62
Classification of International Standard: 77.150.60
Word Count Estimation: 26,249
Older Standard (superseded by this standard): GB/T 6890-2000
Quoted Standard: GB/T 5314; GB/T 6524; HG/T 3852
Regulation (derived from): National Standards Bulletin No. 41 of 2012
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
Summary: This standard specifies the requirements for zinc, test methods, inspection rules, packaging, labeling, transportation, storage, quality certificate, instruction manual and contract (or orders) content. This standard applies to metallic zinc or zinc-conta

GB/T 6890-2012: Zinc powder

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS77.150.60 H62 National Standards of People's Republic of China Replacing GB/T 6890-2000 Zinc Zincpowder Issued on. 2013-10-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard rule according to GB/T 1.1-2009 given draft. This standard replaces GB/T 6890-2000 "zinc" in this standard compared with GB/T 6890-2000, the main changes are as follows. --- Chemical components increased arsenic requirements; --- Representation of the particle size specification was revised to. 30μm, 45μm, 90μm, 125μm; --- Appendix increased determination of arsenic content. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. MCC Huludao Nonferrous Metals Group Co., Ltd., Henan Yuguang Gold & Lead Group Co., Ltd. lead salts. Participated in the drafting of this standard. Zhuzhou Smelter Group Co., Ltd. Bayannaoer Zijin Nonferrous Metals. The main drafters of this standard. As Yang Li Zunyi, Kung Zheng, Li Xiujing, Wang Jian, Liu Binlian to De Lei, HE ranger, cold Greek science, Guoxin Ling, Zhaibao Zhen, Mengqing Wu, Hu Yuan Ming. This standard replaces the standards previously issued as follows. --- GB/T 6890-2000; --- GB/T 6890-1986. Zinc

1 Scope

This standard specifies the requirements for zinc, test methods, inspection rules, packaging, labeling, transportation, storage, quality certificate, instruction manual And contracts (or orders) content. This standard applies to metallic zinc or zinc-containing material as raw material, distillation, atomization, electrothermal reduction zinc metal production. The main For metallurgy, paints, dyes, chemicals and pharmaceutical industries use.

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 5314 powder metallurgy method of sampling GB/T 6524 metal powder particle size distribution measuring gravitational sedimentation light transmission method HG/T3852 pigment residue on sieve assay

3 Requirements

3.1 Categories 3.1.1 zinc powder by chemical composition is divided into one, two, three, four four grades. 3.1.2 Zinc divided according to particle size 30μm, 45μm, 90μm, 125μm four specifications. 3.2 Chemical composition 3.2.1 The chemical composition of zinc should meet the requirements in Table 1. Table 1 chemical composition of zinc powder grade Chemical composition mass fraction /% Master grade, not less impurity, not more than Full zinc metal zinc Pb Fe As Cd acid insolubles A 0.05 0.0005 98 96 0.1 0.1 0.2 Two 9894 0.0005 0.2 0.2 0.2 0.2 Three 9692 0.3 - 0.0005 - 0.2 Four 92 88 - - - - 0.2 Note. The material is zinc raw materials to produce four zinc, sulfur content should not exceed 0.5%. 3.2.2 Zinc coatings used as contact with drinking water, the impurities of lead and cadmium content should be not more than 0.01%, respectively. 3.2.3 Production lithopone with zinc, lead content may not predetermined; insurance powder production with zinc, in addition to zinc and sieve residue, the other to Points can not predetermined. ......

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