GB/T 3985-2008Compressed asbestos fibre jointing (English PDF)
石棉橡胶板
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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 3985-2008 is the English-translated version of 石棉橡胶板.
GB/T 3985-2008 is the Chinese standard "Compressed asbestos fibre jointing". Its scope clause reads: This standard specifies the asbestos rubber sheet classification and marking requirements, test methods, inspection rules, marking, packaging, transportation and storage.
This standard applies to chrysotile as reinforcing fibers, rubber binder, by roll forming heat pressure gasket used in the manufacture of Types of sheet metal. This sheet can also be made with reference to the use of the gasket. Its clauses include classification and marking.
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Document preview — GB/T 3985-2008
National Standard of the People's Republic of China
- ICS
- 23.040.80
- Classification
- Q 61
- Replacing
- GB/T 3985-1995
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Classification and Marking
- 3.1 Classification
- 3.2 mark
1 Scope
This standard specifies the asbestos rubber sheet classification and marking requirements, test methods, inspection rules, marking, packaging, transportation and storage.
This standard applies to chrysotile as reinforcing fibers, rubber binder, by roll forming heat pressure gasket used in the manufacture of
Types of sheet metal. This sheet can also be made with reference to the use of the gasket.
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 191 Packaging - Pictorial signs
GB/T 540 Asbestos rubber sheet test method
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan
GB/T 20671.1 Non-metallic gasket materials Classification system and test methods - Part 1. Non-metallic gasket materials classification system
GB/T 20671.2 non-metallic materials Classification system and test methods - Part 2 gaskets. gasket materials compression spring rate test method
GB/T 20671.4 Non-metallic gasket materials Classification system and test methods - Part 4. Test methods for sealing gasket materials
GB/T 20671.5 Non-metallic gasket materials Classification system and test methods - Part 5. Test method for relaxation of gasket materials creep
GB/T 20671.7 non-metallic materials Classification system and test methods - Part 7 Gasket. non-metallic gasket materials tensile strength test method
GB/T 20671.8 non-metallic materials Classification system and test methods - Part 8 Gasket. non-metallic gasket materials softness test method
GB/T 22308 Test method for sealing plate material density
3 Classification and Marking
3.1 Classification
Asbestos rubber sheet is divided into seven rating grades as shown in Table 1.
3.2 mark
Asbestos rubber sheet products according to any one of the following two methods labeling method for labeling.
3.2.1
Grades and grade of the product according to the standard numbering sequence tags.
Tag example. asbestos rubber sheet, grade designation XB350, labeled. XB350-GB/T 3985.
3.2.2
labeled by the method of GB/T 20671.1 specified categories depending on the model and the physical and mechanical properties of the product.
Table 1 asbestos rubber grades and grade recommended range
Grade level surface color recommended range
XB510 dark green temperature below 510 °C, pressure 7MPa following non-oil, non-acid media
XB450 purple temperature of 450 °C or less, the pressure 6MPa following non-oil, non-acid media
XB400 purple temperature of 400 °C or less, the pressure 5MPa following non-oil, non-acid media […]
......
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
Cited by
- GB/T 29464-2023Steam-driven jet heat exchanger
- GB/T 29411-2012Technical specification of hydrogen-oxygen generator with water electrolyte
- NB/T 47020-2012Type and Specification for Pressure Vessel Flanges
- NB/T 47024-2012Nonmetallic gaskets
- NB/T 47026-2012Double-jacketed gaskets
- HG/T 2733-2011Free-float ball type automatic liquid dischargers
Similar standards
Editions of GB/T 3985
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 3985-2008 | Compressed asbestos fibre jointing | current edition | Current |
| GB/T 3985-1995 | Compressed asbestos fibre jointing | previous edition | Superseded |
This page sells the current edition, GB/T 3985-2008. Earlier editions are listed for reference only.
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