POM 100P---产品说明:High Viscosity Acetal Homopolymer with Improved Processing
Physical performance rating unit system test method
Density: 1.42 g / cm? ISO 1183
Melt flow rate (melt flow rate) (190 ° C / 2.16 kg) 2.6 g / 10 min ISO 1133
Dissolution volume flow rate (MVR) (190 ° C / 2.16 kg) 2.20 cm3 / 10min ISO 1133
Shrinkage: ISO 294-4
Vertical flow direction 1.9% ISO 294-4
Flow direction: 2.2% ISO 294-4
Water absorption ISO 62
23°C, 24 hr, 2.00 mm1.4%ISO 62
Balanced, 23 ° C, 2.00 mm, 50% RH 0.30% ISO 62
Hardness rating unit system test method
Rockwell hardness ISO 2039-2
M scale 88 ISO 2039-2
R scale 119 ISO 2039-2
Mechanical properties rating unit system test method
Tensile modulus 2950 MPa ISO 527-2
Tensile stress (yield) 71.0 MPa ISO 527-2
Tensile strain (yield) 25% ISO 527-2
Nominal tensile breaking strain 45% ISO 527-2
Tensile creep modulus ISO 899-1
1 hr2700MPaISO 899-1
1000 hr1500MPaISO 899-1
Bending modulus 2850 MPa ISO 178
Bending stress (3.5% strain) 77.0 MPa ISO 178
POM于50年代末期由杜邦公司研制开发,是目前世界三大通用工程塑料之一。POM具有金属的硬度、强度和钢性,优良的耐疲劳性,具于弹性, POM还有较好的耐化学品性。POM自生产开始广泛用于电子电气、机械、仪表、日用轻工、汽车、建材、农业等领域。由于POM的成本低于其他工程塑料,然而替代了被金属**的市场,在新的应用领域中也表现出很好的增长趋势,如医疗技术、运动器械等方面。