GB/T 30308-2013Fluoroelastomers—General specification and procedure of evaluation (English PDF)
氟橡胶 通用规范和评价方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2013
Implementation date
September 1, 2014
Scope
GB/T 30308-2013 is the English-translated version of 氟橡胶 通用规范和评价方法.
GB/T 30308-2013 is the Chinese standard "Fluoroelastomers—General specification and procedure of evaluation". Its scope clause reads: This standard specifies the classification and fluorine rubber grades, technical requirements and evaluation methods, and signs, packaging, transportation and storage.
This standard applies to prepared by the polymerization of fluorine rubber. Its clauses include categories and grades.
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Document preview — GB/T 30308-2013
National Standard of the People's Republic of China
- ICS
- 83.060
- Classification
- G 35
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Categories and grades
- 3.1 Classification
1 Scope
This standard specifies the classification and fluorine rubber grades, technical requirements and evaluation methods, and signs, packaging, transportation and storage.
This standard applies to prepared by the polymerization of fluorine rubber.
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 528-2009 Determination of vulcanized rubber or thermoplastic rubber tensile stress-strain properties
GB/T 531.1 vulcanized rubber or thermoplastic rubber hardness test pushed Part 1. Shore hardness method (Shore hardness)
Determination of GB/T 533-2008 vulcanized rubber or thermoplastic rubber Density
GB/T 1232.1 unvulcanized rubber shearing disc viscometer - Part 1 Determination. Determination of Mooney viscosity
GB/T 1690-2010 vulcanized rubber or thermoplastic rubber Test method for resistance to liquids
GB/T 3512 vulcanized rubber or thermoplastic rubber hot air and heat accelerated aging test
GB 3778-2011 carbon black for rubber
GB/T 5576, and latex rubber nomenclature
GB/T 5577 synthetic rubber grade specifications
GB/T 6038-2006 Rubber test feed ingredients, mixing and vulcanization - Equipment and procedures
GB/T 7759-1996 vulcanized rubber, thermoplastic rubber at room temperature, high and low temperature compression set determination
GB/T 19187 Rubber, raw synthetic sampling program
HG/T 3928-2007 industrial activity light magnesium oxide
3 Categories and grades
3.1 Classification
According to GB/T 5576 regulations, Viton divided into three categories, namely, FKM, FEPM, FFKM.
Wherein. FKM --- represents a fluorine containing polymer chain, perfluoroalkyl or perfluoroalkoxy groups substituted with fluorine rubber;
FEPM --- represents tetrafluoroethylene copolymer of ethylene and propylene;
--- Represents a polymer chain FFKM have all substituents, fluoro, perfluoroalkyl or perfluoroalkoxy perfluoro rubber.
Grade 3.2
Rule 3.2.1
According to GB/T 5577 regulations, fluorine rubber grades from the group consisting of two characters.
a) The first character of a given group of fluorine rubber varieties code information;
b) The second group of characters given Viton feature information by four Arabic numerals.
among them.
......
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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