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《玻璃鋼行業(yè)常用術(shù)語（commonly used terms in glass fiber reinforced plastics industry）》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、玻璃鋼行業(yè)常用術(shù)語（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
