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1、橡胶应用介绍ThaiSTR20,qualitystandardasfollows:Impurity%wt<0.16,Graymatter<0.8,Volatilematter<0.8,Nitrogencontent<0.6,Fahrenheit'splasticity,>30,Theantisampleindex,>40,Mooneyviscosity>70NR:naturalrubberhasgoodelasticity,airtightnessandinsulationperformanee,excellentresistan
2、cetoflexibleperformanee,lowheat,afterthelossissmall,butwithavarietyofrubberandused.Goodmachiningperformance,thedisadvantageisthatitisresistanttooil,alkali,resistanceandsolvent.Malaysianstandardglue(SMR)2.Ethylenepropylenerubber:isacopolymerofethyleneandpropylenemonome
3、r,monomerinthemolecularchainandthedifferentunits,dividedintobinaryethylene-propylenerubber(ethylene,propylenecopolymer),andepdm(ethylenepropylenecopolymer),ethyleneandsmallamountsofthethirdunitcel1.Thecharacteristicsofethylenepropylenerubberarehighheatresistanee,ozone
4、resistance,weatherresistance,stablechemicalperformance,lowtemperatureresistanee,andlowresistance,etc・Itcanbeusedofsulfurvulcanizationacceleratorvulcanizationsystem,alsocanbemadebyorganicperoxidecrosslinkinghighstrengthproducts,canbeinunsaturatedrubberandthelowunsatura
5、tedrubberorplasticandused.NBR:therubberseriesismadefrombutadieneandacrylics.Nitrilebutadienerubberproductsaccordingtothecombinationofpropylenecontentoffinedivision,isdividedintosupertakaharunitrilebutadienerubber(propylenefinecontentismorethan43%),takaharunitrilebutad
6、ienerubber(propylenesunnycontentismorethan36%to43%),thetakaharunitrilebutadienerubber(propylenesunnycontentismorethan25%to31%),lowacrylicnitrilebutadienerubber(propylenefinecontentisbelow25%),nitrilebutadieneisthebasiccharacteristicsofthemolecularchainshavepolarityshi
7、negroup・ThereisapolarizinggroupthatgivesthetintinrubberresistancetooilNaturalrubber(NR)isbasedonrubberhydrocarbon(polyisoprene),containingasmallamountofprotein,water,resinacid,sugarandinorganicsalt・Elasticity,hightensilemodulus,tearresistanceandexcellentelectricalinsu
8、lation,goodabrasionresistanceanddroughtresistance,goodprocessability,easytoothermaterialsbonding,intermsofcomprehensiveperfo
