PPSC-600SG日本出光----PPSisakindofcrystallinethermoplastic,whichisbasedonthecombinationofparaphenylcncandsulfuratoms.Itstextureisfragile.Thepropertiesofmaterials(suchasimpactstrength,arcresistanceandleakageresistance)canbegreatlyimprovedbyaddingfillers.MostPPSonthemarketh***ebeenmixedwithglassfiber(suchas40%ormineralfiller/glassfibermixture).ThesePPSCompositesh***egoodmechanicalandelectricalpropertiesInsulationproperty,resistancetohumidity,chemicalsandhightemperature(continuoususetemperatureupto240℃),ithasfireresistance,strongtexture(comparabletoAlcoa),creepresistance,highdimensionalstability,andnodifficultyininjectionmoldingcomplexandpreciseproducts.Itcanstillmaintainthesamepropertiesathightemperature.Becauseofitsneatstructureandhighcrystallinity(upto65%),theproductscanbeusedinmanyfieldsFinishinashorttimeInaddition,PPSisanonflammablematerialwithoxygenindexelevation(e.g.47,sameasPVC).Theoxygenindexofgfpbtis20andgfpais28.Itsnotchedimpactstrength(enhancedGFgrade)issimilartothatofPBT,butlowerthanthatofPPOandPC.currently,PPSwithhighermolecularweight(e.g.RytonA-100)are***ailableforsale,withbetterphysicalproperties(comparedwithoriginalPPS)andfractureresistance(e.g.wheninjectedintothickwallparts)Physicalproperties-Rating-systemofunits-TestmethodsDensity1.45g/cm3ISO1183Shrinkage1﹥ISO294-4Verticalflowdirection0.50%ISO294-4Flowdirection0.20%ISO294-4Waterabsorption(23°C,24hr)>0.020%ISO62HardnessratingunitsystemtestmethodRockwellhardness(Mscale)108ISO2039-2Mechanicalproperties-Rating-systemofunits-TestmethodsTensilestress231MPaISO527-2Tensilestrain(fracture)1.0%ISO527-2Bendingmodulus:25700MPaISO178Bendingstress:﹥342MPa﹥ISO178Impactperformance﹣rating﹣unitsystem﹣testmethodThenotchlessimpactstrengthofsimplysupportedbeamislessthan7.0kJ/m2ISO179Thermalperformance-Rating-systemofunits-TestMethodHotdeformationtemperature(1.8MPa,notannealed)274°C﹣ISO75-2/ACoefficientoflinearthermalexpansionISO11359-2Transverse4.2e-5cm/cm/°CISO11359-2Electricalperformance-Rating-unitsystem-TestMethodVolumeresistivity<1.0e+2.0ohms·cm<ASTMD257FlammabilityratingunitsystemtestmethodULflameretardantrating(0.750mm)V-0UL94)