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QB/T 5114-2017 English PDF

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QB/T 5114-2017: Determination of retained blowing agent in rigid polyurethane foam
Status: Valid
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QB/T 5114-2017English229 Add to Cart 3 days [Need to translate] Determination of retained blowing agent in rigid polyurethane foam Valid QB/T 5114-2017

PDF similar to QB/T 5114-2017


Standard similar to QB/T 5114-2017

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Basic data

Standard ID QB/T 5114-2017 (QB/T5114-2017)
Description (Translated English) Determination of retained blowing agent in rigid polyurethane foam
Sector / Industry Light Industry Standard (Recommended)
Classification of Chinese Standard Y28
Classification of International Standard 83.100
Word Count Estimation 10,184
Date of Issue 2017-04-12
Date of Implementation 2017-10-01
Quoted Standard GB/T 18826-2002
Regulation (derived from) Ministry of Industry and Information Technology Bulletin 2017 No. 14; Industry Standard Filing Announcement 2017 No. 7 (Total No. 211)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies two methods for the determination of residual blowing agents in rigid polyurethane foams by headspace gas chromatography, Method A hydrogen flame ionization detector (FID) and method B electron capture detector (ECD). This standard applies to rigid polyurethane foam density range 30kg/m ^ 3 ~ 80kg/m ^ 3. Method A is suitable for the determination of alkanes (cyclopentane, isopentane) and methyl formate blowing agent in rigid polyurethane foam; Method B is suitable for the determination of chlorofluorocarbons (CFC-11), hydrogen Determination of blowing agents for hydrochlorofluorocarbons (HCFC-141b, HCFC-22) and hydrofluorocarbons (HFC-245fa, HFC-365mfc, HFC-227ea, HFC-134a) this

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