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GB/T 8071-2008 English PDF

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GB/T 8071-2008: Chrysotile asbestos
Status: Valid

GB/T 8071: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 8071-2008English189 Add to Cart 3 days [Need to translate] Chrysotile asbestos Valid GB/T 8071-2008
GB/T 8071-2001English439 Add to Cart 4 days [Need to translate] Chrysotile asbestos Obsolete GB/T 8071-2001
GB/T 8071-1987EnglishRFQ ASK 3 days [Need to translate] Chrysotile asbestos Obsolete GB/T 8071-1987

PDF similar to GB/T 8071-2008


Standard similar to GB/T 8071-2008

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Basic data

Standard ID GB/T 8071-2008 (GB/T8071-2008)
Description (Translated English) Chrysotile asbestos
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q61
Classification of International Standard 73.080
Word Count Estimation 8,842
Date of Issue 2008-08-20
Date of Implementation 2009-04-01
Older Standard (superseded by this standard) GB/T 8071-2001
Quoted Standard GB/T 6646-2008; GB 8072
Regulation (derived from) National Standard Approval Announcement 2008 No.14 (Total No.127)
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 terms and definitions of chrysotile asbestos, grading and marking, requirements, test methods, inspection rules, signs, packaging, transport and storage. This standard applies to local election chrysotile product quality inspection and acceptance.

GB/T 8071-2008: Chrysotile asbestos

---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.
Chrysotile asbestos ICS 73.080 Q61 National Standards of People's Republic of China Replacing GB/T 8071-2001 Chrysotile Posted 2008-08-20 2009-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 8071-2001 "chrysotile asbestos." This standard compared with GB/T 8071-2001, mainly to do the following changes. --- Cancellation hand-selected chrysotile asbestos, chrysotile fibers vertical, horizontal definition of chrysotile asbestos fibers; --- Increasing the fiber factor is defined; --- Cancel asbestos category, quality requirements and test methods for hand-selected temperature; --- Cancel the election machine chrysotile fibers horizontal and vertical division of fiber types; 7 chrysotile asbestos technical requirements and test methods --- increase; --- Proposed chrysotile should use compression packing; --- Cancellation chrysotile 25kg bag packaging requirements; --- Added "anti-rain and moisture damage, guard against leaks pollute the environment," the warnings in the packaging and marking content. The standard proposed by China Building Materials Industry Association. The standard and non-metallic mineral products by the National Standardization Technical Committee (SAC/TC406) centralized. This standard is drafted by. Xianyang Institute of non-metallic minerals. The main drafters of this standard. Wang Jisheng, Tan Dongping. This standard was first released in July 1987, in April 2001 the first amendment, this version of the Second Amendment. Chrysotile

1 Scope

This standard specifies the terms and definitions of chrysotile asbestos, grading and marking, requirements, test methods, inspection rules, marking, packaging, transportation and storage Memory and so on. This standard applies to the election machine of chrysotile asbestos products quality inspection and acceptance.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6646-2008 Test Method for chrysotile GB 8072 chrysotile asbestos sampling and sample preparation method

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 It is a fibrous hydrous magnesium silicate mineral called chrysotile mineralogy. Formula 3MgO · 2SiO2 · 2H2O, Li On the composition of MgO43.64%, SiO243.36%, H2O13.00%. 3.2 In line with the definition of 3.1, with a certain aspect ratio, the maximum transverse dimension of less than 0.1mm mineral aggregates. 3.3 By machining method selected from each grade ore out of chrysotile fibers. 3.4 Mixed with chrysotile fibers non-fibrous mineral having a particle diameter of 0.2mm or more. 3.5 In accordance with recognized test methods for chrysotile fiber length of the fine fraction obtained by classification. Note. In general, refers to the press GB/T 6646-2008 4.2 wet classification by 0.075mm sieve material. 3.6 After release, with a high degree of fibrosis chrysotile. 3.7 After machine selection chrysotile dry classification retained in the specified sieve cumulative sieve margin. Note. one, two chrysotile, under the screen mesh is 12.50mm; three, four chrysotile, under the screen mesh to 4.75mm; five or six chrysotile

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