相關標簽:中油華東 GPPS、揚子巴斯夫 HIPS、臺灣長興 HIPS塑料顆粒、復合 鄰苯二甲酸二(十一烷基)酯、注射成型 RTPV、防潮 PE/PCTFE塑料顆粒
塑料制品的退火處理是指塑料在料筒里塑化不均或者產品在模腔內冷卻速度不均而引起產品內應力的存在導致產品在以后有變形.開裂.老化等原因。退火處理是在產品在室內,用熱液體介質如熱水,熱礦物油,熱甘油等液體,加熱到比產品使用溫度高20-35度或者比產品的熱變形溫度低25-35度的溫度下,將產品放進去,退火的時間長短要視產品的壁厚而定,越厚的壁要退火的時間越長。要注意,經退火的產品拿出熱液體后要擺平讓它自然冷卻,不可以用冷水采取速冷的方法。退火的產品一般為PC,PS等塑料,對于POM,PVC等塑料就不用退火處理的。 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/
其它 其它 注塑 | |
一般用,高流動制品 | |
性能項目 | 試驗條件[狀態] | 測試方法 | 測試數據 | |
熔融指數 | 11 |
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