类别:聚合物;热塑性;聚甲醛(POM);缩醛均聚物,无筋
材料说明:聚甲醛®507含有一个非常适合户外应用或那些有一个丰富的紫外光源的UV稳定剂的聚缩醛通用。
高表面硬度,易切削,专为户外应用,聚甲醛507黑色通常用于在这些行业户外应用电子,通讯,交通,建筑和海洋。
物性表:Physical Properties | Metric | English | Comments |
---|---|---|---|
Specific Gravity | 1.40 g/cc | 1.40 g/cc | ASTM D792 |
Water Absorption | 0.20 % @Time 86400 sec |
0.20 % @Time 24.0 hour |
ASTM D570 |
Mechanical Properties | Metric | English | Comments |
Hardness, Rockwell M | 91 | 91 | ASTM D785 |
Hardness, Rockwell R | 120 | 120 | ASTM D785 |
Tensile Strength, Yield | 70.60 MPa | 10240 psi | ASTM D638 |
Elongation at Break | 10 % | 10 % | ASTM D638 |
Tensile Modulus | 2.52 GPa | 366 ksi | ASTM D638 |
Flexural Strength | 134 MPa | 19400 psi | ASTM D790 |
Flexural Modulus | 3.32 GPa | 482 ksi | ASTM D790 |
Izod Impact, Notched | 0.683 J/cm | 1.28 ft-lb/in | ASTM D256 |
Thermal Properties | Metric | English | Comments |
Melting Point | 175 °C | 347 °F | ASTM D3418 |
Maximum Service Temperature, Air | 93.3 °C | 200 °F | long term; ASTM D648 |
Deflection Temperature at 0.46 MPa (66 psi) | 169 °C | 336 °F | ASTM D648 |
Deflection Temperature at 1.8 MPa (264 psi) | 114 °C | 237 °F | ASTM D648 |
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