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ID:11793129
大小:35.70 KB
页数:43页
时间:2018-07-14
《玻璃钢行业常用术语(commonly used terms in glass fiber reinforced plastics industry)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、玻璃钢行业常用术语(Commonlyusedtermsinglassfiberreinforcedplasticsindustry)PlateGenerallyreferstothethicknessofmorethan2millimetersofsoftflatmaterialsandthicknessofmorethan0.5mmhardplanematerial.3.translucencyTranslucenceTheobjectcanonlypassthroughapartofvisiblelight,butitcann
2、otclearlyobservethepropertiesofotherobjectsthroughit.4.packageEncapsulationAthermoplasticorthermosettingresinisappliedtotheworkpiecebycoating,dippingandspraying,andtheoutersurfaceoftheresiniscoatedasaprotectivecoatingoraninsulatingcoating.5.filmFilmGenerallyreferstoth
3、ethicknessof0.25mmbelowthesmoothandsoftplasticproducts.7.blastingstrengthBurstingstrengthPlasticcontainers,pipes,films,etc.,canwithstandthemaximumpressureexertedcontinuouslybyliquidorairduringblastingtests.8.colorchangeDiscolorationThechangeofcolorofplasticproductscau
4、sedbylight,heat,outdoorexposureandchemicalreagent.9.apparentdensityApparentdensityThequalityoftestmaterials(includingvoids)perunitvolume.10.surfaceresistivitySurfacetreatingagentTheratiobetweenthepotentialgradientparalleltothecurrentdirectiononthematerialsurfaceandthe
5、currentonthesurfaceunitwidthisexpressedinohms.(Note:ifthecurrentisstable,thesurfaceresistivityisnumericallyequaltothesurfaceresistancebetweenthetwoelectrodesonbothsidesofthesquarematerial,andisindependentofthesquaresize.)11.C-phase(C-stage)C-stageThelaststageofsomethe
6、rmosettingresinsintheripeningreaction.Inthisstage,Theresinisneitherdissolvednormelted.12.rippleWavinessWavyandunevendefectsonthesurfaceofplasticproducts.13.unsaturatedpolyesterUnsaturatedpolyesterPolyesterscontainingunsaturatedbondsonthemolecularbackbone.18.differenti
7、althermalanalysis(DTA)DifferentialthermalanalysisAmethodofanalyzingsubstances.Whenthespecimenandtheparticipatingmaterialarecontrolledbythesameprogramtemperature,thetemperaturedifferencebetweenthesampleandreferencematerialisanalyzedwithtimeortemperature.19.mixturePolyb
8、lendsHomogeneousmixtureformedbytwoormorethantwopolymers.20.impactstrengthImpactstrength(1)themaximumcapacityofmaterialstowit
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