PC∣HP4NRPA12∣SH0700BPP∣3C30FPPS∣C-220SGPOM∣4012PC∣LEV1700KLLCP∣E471iPP∣200-CA13∣PP∣6019EVA∣LD-713PBT∣1410G3PA6∣TP-142-011TPE∣990REVA∣1941SBTPU∣85ABRTPU∣STR/F-275IMRPP∣2600M∣PC∣ML-400PA66∣RC004SXCTPU∣310TPU∣DP3075DPC∣HF3000HG20COC∣280R∣PP∣3402PA12∣L-GF15PP∣3355OPP∣1606TPU∣D16N60DTPE∣4210TPU∣T465A欢迎来电咨询：15818465693（周生）0769-33214396可提供SGS,MSDS,COA,出厂认证，PEIisamorphous,andhasoutstandinghightemperatureresistance,highstrength,highmodulusandwidechemicalresistance.Ithasnaturalflammability,low***okeemissionandhighdielectricc***tantanddissipationfactor.Commodityname:ULTEM:PEIplasticmaterialinplasticonlineplasticEncyclopediaTheUnitedStatesGE1000-1000/71011010-1000/7001,ATX2002100220Productintroduction:PMMAC1〖电//〗基准PBTTherheologicalpropertyofPETisbetterinthemeltingstate,andtheeffectofpressureontheviscosityislargerthanthatofthetemperature.Therefore,theflowofthemeltischangedmainlyfromthepressure.1,thetreatmentofplasticsisduetothePETmacromoleculecontaininglipidbase,whichhasacertainhydrophilicity.Thepelletsaresensitivetowaterathightemperature.Whenthemoisturecontentexceedsthelimit,themolecularweightofPETdecreases,andtheproductsarecoloredandcrisp.Therefore,itisnecessarytodrythematerialbeforeprocessing,andthedryingtemperatureis150,4hours,generally170,3-4hours.Theair-ejectionmethodisusedtotestwhetherthematerialiscompletelydry.Generally,theproportionoftherecycledmaterialshouldnotexceed25%,andtherecycledmaterialshouldbecompletelydried.2,PETischosenforinjectionmoldingmachine.Becauseofitsshorttimeaftermeltingpointandhighmeltingpoint,itisnecessarytochooseinjectionsystemwithmoretemperaturecontrolsectionandlessfrictionheatwhenplasticizing,andtheactualweightofproducts(watercutmaterial)shouldnotbelessthan2/3ofmachineinjectionvolume.Basedontheserequirements,inrecentyears,Ramadahasdevelopeda***allandmedium-sizedseriesofPETspecialplasticizingsystems.Theclampingforceisselectedbymorethan6300t/m2.3,moldandgatedesign,PETbottleembryoisusuallymoldedbyhotrunnermold.Betweenthemoldandinjectionmoldingmachinetemplate,itisbesttoh***einsulationpanels,thethicknessisabout12mm,andtheheatinsulationboardwillbeabletowithstandhighpressure.Theexhaustmustbesufficientto***oidpartialoverheatingorfragmentation,butthedepthoftheexhaustportisgenerallynotmorethan0.03mm,otherwiseitiseasytoproducetheflyedge.Combustibility:itisdifficulttoburnandcancontinuetoburnafterfire.Energys***ing:thelighttran***ittanceisgood,thelightsourceproductsarereduced,electricitys***ingiss***ed,andthecostofuseisreduced.TheshortcomingsofPMMAarebrittleandbrittle,lowsurfacehardness,easytobescrapedandloseluster,butfinescratchesandscratchescanberemovedwithpolishedpaste.HistoryAcrylic(ACRYLIC),nameofspecialtreatmentoforganicglass.Theresearchanddevelopmentofacrylichasahistoryofmorethan100yearsago.In1872ofthepolymerizationofacrylicacidwasfoundin1880;methacrylatepolymerizationknown;synthesisofpolypropyleneesterpropionicacidin1901;in1927usingthesynthesismethodtoindustrializedmanufacturing;1937methylacidindustrialmanufacturewasdevelopedsuccessfully,whichenteredthescaleofmanufacturing.InthecourseofWorldWarII,acrylichasexcellenttoughnessandlighttran***ittance.First,itisappliedtothewindshieldoftheaircraft,andtheperimeterofthetankdriver'scab.In1948,thefirstacrylicbathtubwasbornintheworld,andthentheapplicationofacrylicenteredanewmilestone.PMMAC1〖电//〗基准1.China'splexiglassandacrylic(acrylic)PMMAproductionandmarketsituation.ThetotalproductioncapacityofChina'splexiglassproductsis130thousandt***perday,andtherearemanymanufacturers,butthescaleofproductionis***all.China'sorganicglassacrylicproductionandprocessingcapacityisverylarge,buttheproductstructureisnotveryreasonable,itcanonlyproduceordinaryvarietyproducts,lackofhighvalue-addedproductsneededbyc***tructionindustry,andcannotmeetthemarketdemandinvarietyandquality,forexample,thedemandforbuildingisveryhigh.)