杜邦POM 127UV---日本塑料公司开发的 NW-02是一种由润滑性聚合物与POM接枝而成的润滑改性剂。在相同载荷与滑动速度下, NW-02的滑动表面温度比未经改性的一般共聚POM低30%~50%。
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。
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) 2.4 g / 10 min ISO 1133
MVR (190 ° C / 2.16 kg) 1.90 cm3 / 10min ISO 1133
Shrinkage: ISO 294-4
Vertical flow direction 1.9% ISO 294-4
Flow direction: 2.1% ISO 294-4
Water absorption
24 hr0.50%ASTM D570
23°C, 24 hr, 2.00 mm1.2%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 92 ISO 2039-2
R scale 120 ISO 2039-2
Mechanical properties rating unit system test method
Tensile modulus 3000 MPa ISO 527-2
Tensile stress (yield) 70.0 MPa ISO 527-2
Tensile strain (yield) 23% ISO 527-2
Nominal tensile breaking strain 45% ISO 527-2
Bending modulus 2700 MPa ISO 178
Impact performance rating unit system test method
Notched impact strength of simply supported beams ISO 179 / 1ea
-30°C11kJ/m²ISO 179/1eA
23°C15kJ/m²ISO 179/1eA
Notchless impact strength of simply supported beams ISO 179 / 1eu
-30°C350kJ/m²ISO 179/1eU
23°C400kJ/m²ISO 179/1eU
Notched impact strength of cantilever beam ISO 180 / 1A
-40°C11kJ/m²ISO 180/1A
23°C13kJ/m²ISO 180/1A