GB/T 21283.6-2015Rotary shaft lip-type seals incorporating thermoplastic sealing elements—Part 6: Properties requirements for the thermoplastic and elastic material (English PDF)
密封元件为热塑性材料的旋转轴唇形密封圈 第6部分：热塑性材料与弹性体包覆材料的性能要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2015
Implementation date
July 1, 2016
Scope
GB/T 21283.6-2015 is the English-translated version of 密封元件为热塑性材料的旋转轴唇形密封圈 第6部分：热塑性材料与弹性体包覆材料的性能要求.
GB/T 21283.6-2015 is the Chinese standard "Rotary shaft lip-type seals incorporating thermoplastic sealing elements—Part 6: Properties requirements for the thermoplastic and elastic material".
Its scope clause reads: GB/T 21283 provisions of this part of the sealing element is a thermoplastic material rotary shaft lip seals (hereinafter referred to as the ring) with hot Plastic material polytetrafluoroethylene (abbreviated PTFE) coated with elastomeric rubber material classification, requirements, inspection rules, and packaging and storage.
This section applies to the sealing element is a rotary shaft lip thermoplastic material for the substrate made of PTFE seals. Its clauses include terms and definitions; requirements.
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Document preview — GB/T 21283.6-2015
National Standard of the People's Republic of China
- ICS
- 23.100.60
- Classification
- J 20
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Requirements
1 Scope
GB/T 21283 provisions of this part of the sealing element is a thermoplastic material rotary shaft lip seals (hereinafter referred to as the ring) with hot
Plastic material polytetrafluoroethylene (abbreviated PTFE) coated with elastomeric rubber material classification, requirements, inspection rules, and packaging and storage.
This section applies to the sealing element is a rotary shaft lip thermoplastic material for the substrate made of PTFE seals.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 528 Determination of vulcanized rubber or thermoplastic rubber tensile stress becomes Properties
GB/T 531.1 vulcanized rubber or thermoplastic rubber hardness test pushed Part 1. Shore hardness method (Shore hardness)
1033.1 Non-plastic foam density measurement GB/T Part 1. Immersion method, liquid pyknometer method and titration method
1040.1 Plastics Determination of tensile properties GB/T Part 1. General
GB /1040.2 T Plastics Determination of tensile properties - Part 2. Test plastics molding and extrusion conditions
GB/T 1682 Determination of vulcanized rubber low temperature brittleness Single Specimen
GB/T 1690 vulcanized rubber or thermoplastic rubber Test method for resistance to liquids
GB/T 2411 plastic and hard rubber indentation hardness was measured using a durometer (Shore hardness)
GB/T 3512 vulcanized rubber or thermoplastic rubber hot air and heat accelerated aging test
GB/T 6031 Determination of vulcanized rubber or thermoplastic rubber hardness (10 ~ 100IRHD)
GB/T 7759.1 vulcanized rubber or thermoplastic rubber compression permanent deformation measurement - Part 1. at room temperature and high temperature conditions
GB/T 21283.2 sealing element is a thermoplastic material rotary shaft lip seals Part 2. Vocabulary
HG/T 2811-1996 rotary shaft lip seals rubber materials
HG/T 2903-1997 molded with fine particles of polytetrafluoroethylene resin
3 Terms and Definitions
Terms and definitions GB/T 21283.2 defined apply to this document.
4 Requirements
4.1 Properties of PTFE
Performance and testing of PTFE are shown in Table 1.
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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.
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Related Standards
GB/T 21283.5-2008 — Rotary shaft lip-type seals incorporating thermoplastic sealing elements -- Part 5: Identification of visual imperfections
GB/T 21283.4-2008 — Rotary shaft lip-type seals incorporating thermoplastic sealing elements -- Part 4: Performance test procedures
GB/T 21283.3-2008 — Rotary shaft lip-type seals incorporating thermoplastic sealing elements -- Part 3: Storage，handling and installation
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