新版GB/T13021一2023《聚烯烃管材和管件炭黑含量的测定煅烧和热解法》内容解读

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Interpretation of the Content of the New Version ofGB/T13021，Polyolefin pipes and fittings-Determination of carbon black content-Calcination and pyrolysis method

HUWei-yue1 HU Jian-yue²

（1.ShaanxiProvincial InstituteofProductQualitySupervisioandInspection;2.Xi'anHantangAnalysisandTestingCoLtd.）

Abstract：This papersystematically interprets thecontentsof thenewversionofGB/T13021，Polyolefinpipes and fitings-Determinationofcarbon blackcontent-Calcinationandpyrolysismethod，fromsixspects：scope，test methods，instrument and equipment requirements，sample state adjustment，resultcalculation，and testreport.The new versionofthe standard has been implementedonMarch1，2O24.Inaddition to structuraladjustmentsandeditorial changes，italsochanges the sopeofapplication，nstrumentaccuracyrequrements，testmethods，teststeps，result calculation，andtestreports inthestandard.Onthebasisoftheoriginal thermogravimetric method （tubular electric furnace method），thebox-typeresistancefurnacemethod，mcrowavemuflefurnacemethod，andthermogravimetric analyzermethod（TGA）have beenadded，andtheinstrument device，testing steps，andresultcalculationof the three newmethods have been outlined.This paper compares theprinciples，advantages and disadvantagesof commonly used methods for measuring carbon black content in laboratories，which has certain reference significance for the factory inspectionofproductionenterprisesandtheproducttestingof inspectioninstitutions.Itaims tofacilitate beter understanding and use of this standard by stakeholders，and to promote its widespread application.

Keywords：polyolefinpipesandftings，carbonblackcontent，box-typeresistancefurnacemethod，microwavemuffe furnace method，thermogravimetric analyzer method （TGA）

0 前言

聚烯烃是目前广泛应用于工业和民用管道系统的一种主要材料，其中PE和PP是最常用的产品类型。（剩余2573字）