T/CSTM 00222-2020 Active Group standards

T/CSTM 00222-2020 The determination of fluorine content in powder coatings

Publish Date: 2020-04-14 Implement Date: 2020-07-14 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CSTM 00222-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Chemical industry

ICS Name: Paints and varnishes

Publish Date: 2020-04-14

Implement Date: 2020-07-14

Scope

Main technical content: This standard specifies the principles for determining the fluorine content in powder coatings, reagents or materials, instrumentation and equipment, samples, test steps, test data processing, and test reports. This method is suitable for determining the fluorine content in soluble substances in powder coatings. For powder coatings containing polyvinylidene fluoride (PVDF) or fluorinated ethylene/vinyl ether (ester) copolymer resins (FEVE), the oxygen bomb combustion-ion selective electrode method is used to determine the fluorine content in soluble substances; for powder coatings containing polyvinylidene fluoride (PVDF), the centrifugal separation method is used to determine the content of PVDF resin in soluble substances. The determination of organic fluorine content in related materials can also refer to this standard.