PA66的收缩率在1%~2%之间，加入玻璃纤维添加剂可以将收缩率到0.2%~1%。收缩率在流程方向和与流程方向相垂直方向上的相异是较大的。PA66对许多溶剂具有抗溶性，但对酸和其它一些氯化剂的抵抗力较弱。TheshrinkageofPA66isbetween1%~2%,andtheadditionofglassfibercanreducetheshrinkageto0.2%~1%.Theshrinkagerateisdifferentfromthatintheverticaldirectionoftheflowdirection.PA66isresistanttomanysolvents,butislessresistanttoacidsandotherchlorinatedagents.PC‖原料：聚碳酸酯PC‖1010NH是一款度PC‖材料，是产品工程师在产品设计时所选用的一款常用材料，常被注塑成各式各样的或者半制件，可应用于汽车车灯等部件。a、原材料受潮————干燥原料PCmaterial:polycarbonatePC1010NHisahighstrengthtransparentPCmaterial.Itisacommonmaterialusedbyproductengineersinthedesignoftransparentproducts.Itisofteninjectedintoallkindsoftransparentortranslucentparts,whichcanbeusedincarlightsandotherparts.Aandrawmaterialsaredampened-dryrawmaterials??b、排气不良————改进模具设计PoorBandpoorexhaustgas--improvingmolddesign??3、树脂变色、黑点Resin3,resindiscoloration,blackspot??a、料筒、喷嘴积料————清理料筒和喷嘴A,cylinderandnozzlematerial-cleaningcylinderandnozzle.??b、成型温度过高————成型温度B,formingtemperaturetoohigh--reducingmoldingtemperature??4、制品未充满4,notfullofproducts??a、物料塑化不够————料筒温度A,materialisnotplasticized--increasingthebarreltemperature.??b、模具温度过低————模具温度B,moldtemperatureistoolow--improvemoldtemperature??c、喷嘴溢料————模具位置C,nozzleoverflow-adjustthepositionofthe.POM☆原料可在-40℃～100℃温度范围内长期使用。POM☆极易分解，分解温度为280℃，分解时有性和腐蚀性气体发生。故模具钢材宜选用耐腐蚀性的材料制作。力学性能POM☆强度、刚度高，弹性好，减磨耐磨性好。§TPUTT-1065D皮包PBTˉT06202/ATPU2363-90ATPVˉ251-85W232EVA/KE-10PP350PA66美国杜邦70G43LPBTˉRS1409PMMADRTMATTPPˉ669PP/3862TPEST70APCDF-1008EMMRTPUˉ58214PPHL001PFLCP5244LEVA/E***2POMN2320U017UPOE/3139/LCP/E7008/PPE-185GEVAEV303PP台塑3010PA661603-2NF2004TPEE/S3002PPSFZ-2100E1035PA66ˉRFL36SXSPP/HF3308CPP甘肃兰港石化H9018PA122002ES6PPHD822CFPA46荷兰DTW350PBTWF006IPC/ABSHR5007A-NPTPUTI98APTPEE/BT-2140DPA12瑞士EMSL20LFPBT/1551GN30/POE/DKC745DPOMmaterialcanbeusedforalongtimeintherangeof-40to100C.POMiseasytodecompose,decompositiontemperatureis280degrees,andthereareexcitantandcorrosivegasesindecomposition.Therefore,steelshouldbemadeofcorrosion-resistantmaterial.ThemechanicalpropertiesarePOM,highstrength,highrigidity,goodelasticity,goodabrasionresistance.PBT聚对苯二甲酸***酯，又名聚对苯二甲酸四次酯。英文名；Polybutyleneterephthalate。简称PBTPBTP或PTMT，它是对苯甲酸与1,4-***的缩聚物。可由酯交换法或直接脂化法经缩聚而制得，今后的发展趋势为直接酯化法生产。PBT和PET一起被称为热塑性聚酯。PBTpoly(butyleneterephthalate),alsoknownasterephthalicacid,fourmethylester.Englishname;Polybutyleneterephthalate.ReferredtoasPBTPBTPorPTMT,itisapolycondensationofbenzoicacidand1,4-butanediol.Itcanbepreparedbytransesterificationordirectesterificationbycondensation.Thedevelopmenttrendinthefutureisdirectesterification.PBTandPETarecalledthermoplasticpolyestertogether.§TPUTT-1065D皮包POE5371PPH5300PPAR564PA6/PFP36PC/ABS/MP-5000APMMALGH1334PP/49MK40PP7414PA66美国杜邦73NC010PCK2000G2PC/ABS7210APPH270FTPU91T85ABS奇美PA-765WHABS天津大沽化工DG-FR11PP/EYC136NPP2315SDABS荷兰盛禧奥（斯泰隆）3416SCPA6-50PBT基础创新塑料EXVX0125PMMACP-80TPV4180NTPV8221-70POMC9021GV3-30PA66/A60N01HDPE泰国PTT化学HD2308JPP/EKC265NG51359PC4731-8PPS/FZ-6600PA66LD480PPRA130E-6034PC/ABS/FR3010HF/PP/BC918CFTPULP9277PC/ABS/HI-1001BTTPVˉ2600BPP/EKG390TPOM旭化成GN705)