相關標簽:美國The Materials PC、中國上海錦湖日麗 PC、美國MRC PC塑化原料、低光擴散 PC、玻纖玻珠增強 PC、耐水解性 PC塑化原料
普通PC材料的塑料杯可以承受-30-140度的溫度。這是材料的物理性質。這僅意味著該材料在此溫度下不會破裂和熔化,但這不是從食品安全的角度出發。首先,雙酚A單體的沉淀在高溫下對人體有害。據報道,它會影響男性的性功能。加拿大等一些西方國家已禁止將PC材料用于水杯和嬰兒奶瓶。在安全期間,最好不要使用PC制的杯子來盛熱水,更不要說用微波爐加熱它了。1代表PET(聚對苯二甲酸乙二酯)。一般的礦泉水,碳酸飲料和功能性飲料瓶都是用這種材料制成的。高溫時很容易變形,并且可能有些有害物質溶解于人體。請勿將礦泉水放在露天環境中或在炎熱的天氣中放入汽車中,也不要將沸水直接沖入可樂瓶中;2代表HDPE(高密度聚乙烯)以前,在超市和大型購物中心中廣泛使用的塑料袋都使用這種材料,這種材料具有較高的耐高溫性,但不易清洗且不易繁殖細菌;3代表PVC(聚氯乙烯),其中增塑劑含有有害物質。在高溫和油脂中很容易沉淀。目前,歐洲已禁止了許多增塑劑。中國在用于包裝食品的塑料產品中相對罕見。4代表LDPE(低密度聚乙烯)。大多數塑料薄膜都是用這種材料制成,這種材料不耐熱。合格的PE保鮮膜在溫度超過110°C時會發生熱熔現象。食品被包裹在保鮮膜中加熱,食品中的脂肪很容易將保鮮膜放入保鮮膜中。有害物質被溶解掉;代表5代表PP(聚丙烯)。微波爐便當盒是用這種材料制成的。它們耐130°C的高溫,透明度差。一些飯盒由PP制成。蓋子是PS(聚苯乙烯)制造的,PS具有良好的透明性,但不耐高溫,因此不能與盒體一起放入微波爐中。6代表PS(聚苯乙烯),它是用于制造碗形方便面盒和泡沫快餐盒的材料。天氣很冷,但您不能將其放入微波爐中。盡量避免將熱食包裝在快餐盒中。7代表其他類型。用于制造嬰兒奶瓶和太空杯的塑料不應用于盛沸水。 。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 | |
熔融指數 | ——- | ASTM D-1238 | 25-30 | g/10min |
密度 | ——- | ASTM D-792 | 1.2 | g/cc |
透明率 | ——- | ASTM D-1003 | 40 | % |
收縮率 | ——- | ASTM D-955 | 0.0050-0.0070 | mm/mm |
彎曲強度 | ——- | ASTM D-638 | 80 | MPa |
拉伸斷裂強度 | ——- | ASTM D-638 | 65 | MPa |
斷裂伸長率 | ——- | ASTM D-638 | 90 | % |
彎曲模量 | ——- | ASTM D-790 | 2.37 | Gpa |
懸臂梁缺口沖擊強度 | ——- | ASTM D-256 | 45 | KJ/m |
熱變形溫度 | 0.45MPa | ASTM D-648 | 130 | ℃ |
燃燒性 | 1.5mm | UL 94 | HB | ——- |
景(jing)瑞展示用品(pin)(pin)(pin)(pin)有(you)限(xian)公(gong)司(si)(si) 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