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1、0型密封圈性能的基本概要Thebasicprofileperformanceofringseal00sealasyntheticrubberringbythecopolymerizationofbutadieneandacrylonitrileisprepared.Itisresistanttooil(especiallynitrilerubber,paraffino订)，andgoodagingresistaneeofsyntheticrubber・Acrylonitrilebutadienerubbercontent(%)has42〜46,36~
2、41,31~35,25~30,18^24andsoonfivekinds.Themoretheacrylonitrilecontent,thebettertheoilresistance,butthecoldresistancedecreasedcorrespondingly.Itcanbeusedintheairat120degreesCelsiusorat150degreescentigradeforalongtime・Inaddition,italsohasgoodwaterresistanee,airtightnessandexcellent
3、adhesiveproperties・Thehardnessofsilicagel0ringismainlyrelatedtotheamountoffillerandthecrosslinkdensityofrubber・Ifonlythewhitecarbonisused,therelationshipbetweenhardnessandservicelifeisincreasedfirstandthendecreased,andthenparabola・Thebestuseofsiliconerubberhardnessat40-60degree
4、s,thelowerthehardness,reinforcementisnotcomplete,comprehensiveperformanceispoor,thehigherthehardness,whitecarbonaddedlargeamountofdamagetosiliconerubberstructure,pooroverallperformance・Generally,thecrosslinkingdensityhaslittleinfluenceonthehardness,andmostofthesiliconerubberuse
5、disvulcanized.Comparedwiththefullyvulcanizedsiliconerubber,thehardnessmustbealittlesmaller,buttheservicelifeismuchsmallerthanthatofthefullyvulcanizedrubber・Widelyusedinvariouskindsofoilresistantrubber,oilresistantpadseewearresistanceofsiliconeproducts,generalwearperformanceonth
6、esurfaceofsilicagelproductsarevulnerabletothelossofthegoodgeneralsurfaceofsiliconeproductsrarelyduetoexternslfactorsruboffthesurfaceoftheproduct,doesnotaffecttheappearance,color,text.Qualifiedsiliconenipplemustbenon-toxiccolortransparent,with100%foodgradesiliconematerials(impor
7、ted);verysoftandveryelastic,thenipplecanbeextendedto5imnlong,sothatthebaby，stonguecanbeasbreastfeedingasfree;osealingringmouthwithultrasoftsilicone,thethicknessistwotimesofordinarypacifiers,sothebabycan，tsuckintheprocessofbreakage,andresistanttolong-termbitenotdamaged;generalqu
8、alifiedyouareusingthesilicagelautomaticmachineryproduc
