旭化成POM 4563

旭化成POM 4563----Application: automotive industry, electrical / electronic applications, household products, industrial applications
Note: copolymer, good weather resistance, medium viscosity, UV absorption

Physical property table of 4563
Basic performance rating unit test method
Melt flow rate
9g/10minASTM D1238
(190℃/2.16kg)9g/10minISO 1133
Water absorption (24 hr) 0.2% ASTM D570
Test method of physical performance rating unit
Specific gravity 1.41 g / cm ASTM D792, ISO 1183
Molding shrinkage
(Flow)1.6-2%ASTM D955,ISO 294-4
(Across Flow)1.6-2%ISO 294-4
Rockwell hardness ASTM d785
(M-Scale)80
(R-Scale)115
Mechanical properties - rating units - Test methods
Tensile modulus 2650 MPa ISO 527-2
Yield tensile stress 64 MPa ISO 527-2
Tensile stress 60 MPa ASTM D638
elongation at break 
55%ASTM D638
50%ISO 527-2
Bending modulus 2600 MPa ASTM D790
Bending strength: 88 MPa ASTM D790
Taber abrasion resistance (1000 cycles) 14 mg ASTM d1044
Charpy notched impact strength (23 ℃) 6 kJ / M ISO 179 / 1ea
Izod notched impact strength: 59 J / M ASTM D256
Thermal performance rating unit test method
Hot deformation temperature
(0.45MPa,unannealed)158℃ASTM D648
(0.45MPa,unannealed)152℃ISO 75-2/A
(1.8MPa,unannealed)110℃ASTM D648
(1.8MPa,unannealed)91℃ISO 75-2/A
Linear thermal expansion coefficient of flow direction: 0.0001 cm / cm / ℃ ASTM e831

随着迪科纳Ticona公司和杜邦公司开发生产的低排放等级产品的发展，汽车内饰件领域使用的POM数量正逐步得到扩大。这些新型产品克服了原先使用POM产品会释放气味的问题，从而使汽车制造商能符合更高的汽车生产标准要求。交通运输领域一直是POM较大的消费市场。在欧洲，这个市场约占POM总消费量的43%。在汽车生产中，POM较主要的应用包括制造汽车挡风玻璃雨刷器系统、扬声器外罩、通风护栅、油箱盖、燃油泵外壳和安全带的机械件等。