GB/T 8071-2008Chrysotile asbestos (English PDF)
温石棉
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 20, 2008
Implementation date
April 1, 2009
Scope
GB/T 8071-2008 is the English-translated version of 温石棉.
GB/T 8071-2008 is the Chinese standard "Chrysotile asbestos". Its scope clause reads: 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. Its clauses include terms and definitions.
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Document preview — GB/T 8071-2008
National Standard of the People's Republic of China
- ICS
- 73.080
- Classification
- Q 61
- Replacing
- GB/T 8071-2001
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
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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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 8071
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 8071-2008 | Chrysotile asbestos | current edition | Current |
| GB/T 8071-2001 | Chrysotile asbestos | previous edition | Superseded |
This page sells the current edition, GB/T 8071-2008. Earlier editions are listed for reference only.
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