相關標簽:美國TLC POM、LG化學 POM、天津堿廠 POM工程塑料、耐候 POM、抗紫外線 POM、模塑 POM工程塑料
聚甲醛(英語:polyformaldehyde)也稱為縮醛樹脂;聚甲醛。全稱縮醛樹脂,簡稱聚甲醛,熱塑性結晶聚合物。被稱為“超級鋼”或“帆鋼”。結構式如下,英文縮寫為POM。通過甲醛聚合獲得的聚合物具有低聚合度并且易于熱解聚。 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/
其它 其它 注塑 | |
性能項目 | 試驗條件[狀態] | 測試方法 | 測試數據 | |
比重 | ASTM D792 | 1.60 | g/cm3 | |
收縮率 | 流動3.18mm | ASTM D955 | 1.5 | % |
吸水率 | ASTM D570 | 0.20 | % | |
拉伸模量 | ASTM D638 | 3450 | MPa | |
抗張強度 | ASTM D638 | 34 | MPa | |
伸長率 | ASTM D638 | 9.0 | % | |
彎曲模量 | ASTM D790 | 3450 | MPa | |
彎曲強度 | ASTM D790 | 69 | MPa | |
懸臂梁缺口沖擊強度 | 3.18mm | ASTM D256 | 37 | J/m |
懸臂梁無缺口沖擊強度 | 3.18mm | ASTM D4812 | 267 | J/m |
體積電阻率 | ASTM D257 | 1.0E+14 | ohm*cm | |
熱變形溫度 | 1.8MPa,未退火 | ASTM D648 | 118 | ℃ |
阻燃等級 | UL 94 | HB |
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