医疗级POM 美国杜邦 SC655 中等粘度 乙缩醛均聚物 POM原料

品名厂家型号加工方式pom100 nc010美国杜邦注塑pom100p美国杜邦注塑pom100p nc010美国杜邦注塑pom100t美国杜邦注塑pom100t nc010美国杜邦注塑pom100st nc010美国杜邦注塑pom100af 美国杜邦注塑pom100al nc010美国杜邦注塑pom500p美国杜邦注塑pom500p nc010美国杜邦注塑pom500t美国杜邦注塑pom500t nc010美国杜邦注塑pom500af美国杜邦注塑pom500al nc010美国杜邦注塑pom500cl nc010美国杜邦注塑pom900p美国杜邦注塑pom900p nc010美国杜邦注塑pom525gr nc010美国杜邦注塑pom525gr nc000美国杜邦注塑pom527uv nc010美国杜邦注塑pom527uv bk701美国杜邦注塑pom127uv nc010美国杜邦注塑

　

pom物性表：

　　

密度

g/cm3

吸水率

％

连续使用温度

℃

—50--110

屈服抗拉强度

mpa

63

屈服拉应变

10

极限抗拉强度

极限拉应变

31

抗冲击韧度

kj/㎡

缺口冲击韧度

6

洛氏硬度

135

邵氏硬度

85

抗弯强度

弹性模量

2600

软化温度

150

热变形温度hdt

155

热线膨胀系数

热导率

w/(m×k)

031

摩擦系数

　　pomhas very low friction coefficient and good geometric stability,especially suitable for manufacturing gears and bearings. becauseit also has high-temperature resistance, it is also used in pipedevices (pipe valves, pump shells) , lawn e processconditions, drying: if the material is stored in a dry environment,drying treatment is usually not re the melting temperatureis 190 ~ 230 ° c for homopolymer and 190 ~ 210 ° c for copolymer.die temperature: 80 ~ 105 °c. in order to reduce the shrinkageafter molding can choose a higher mold temperature. injectionpressure: 700 ~ 1200 bar injection speed: medium or high injectionspeed. runner and gate: any type of gate can be used. if a tunnelgate is used, the shorter type is used. hot nozzle runner isrecommended for homopolymer materials. for copolymer materials bothinternal and external hot runner may be used. chemical and physicalproperties of pom pom: pom is a tough and elastic material withexcellent creep resistance, geometric stability and impactresistance even at low temperatures. pom has both homopolymer andcopolymer materials. homopolymer materials have good tensilestrength, fatigue strength, but not easy to process. the copolymermaterial has good thermal stability, chemical stability and is easyto process. both homopolymer and copolymer materials arecrystalline materials and do not absorb water easily. the highdegree of crystallization of pom leads to its high shrinkage, whichcan be as high as 2% ~% . for a variety of different reinforcedmaterials have different shrinkage.