相關標簽:柏力開米 PMMA、美國Omni Plastics PMMA、美國Boltaron PMMA塑膠顆粒、沖擊改性 PMMA、靜態導電 PMMA、型材擠出成型 PMMA塑膠顆粒
默認情況下,PMMA的熔點只是物理形式的變化,不會產生任何氣體。但是,由于不完全交聯,可能會殘留少量的MMA單體。加熱時,MMA單體蒸發到空氣中并被吸入肺部。我們經常說丙烯酸的塑料味道就是MMA的味道。 。以上文獻若需轉載請備注出處:pbt塑料 //shanglikaiguan.cn/
透明,耐熱,高光澤,耐候,抗化學性 其它 注塑,擠出 | |
管道,條材 | |
透明,光澤度高,抗沖擊性好,氣味極低或無,耐化學性好,耐候,耐熱性高,尺寸穩定性好,流動性好 |
性能項目 | 試驗條件[狀態] | 測試方法 | 測試數據 | |
比重 | ASTM D792 | 1.19 | g/cm3 | |
熔融指數 | ASTM D1238 | 230℃,3.8kg | 2.4 | g/10min |
成型收縮率 | ASTM D955 | 流動 | 0.2-0.5 | % |
吸水率 | ASTM D570 | 24小時 | 1.8 | % |
洛氏硬度 | ASTM D785 | R計稱 | 101 | |
拉伸強度 | ASTM D638 | 斷裂 | 76.6 | MPa |
拉伸伸長率 | ASTM D638 | 斷裂 | 5.0 | % |
彎曲模量 | ASTM D790 | 3190 | MPa | |
彎曲強度 | ASTM D790 | 118 | MPa | |
懸臂梁缺口沖擊強度 | ASTM D256 | 6.35mm | 14.7 | J/m |
熱變形溫度 | ASTM D648 | 1.8MPa,未退火 | 115 | ℃ |
折射率 | ASTM D542 | 1.500 | ||
透射率 | ASTM D1003 | 93 | % | |
混濁 | ASTM D1003 | 0.30 | % |
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