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2018年10月30日 · Symbol 4: LDPE. Symbol 4 with the acronym LDPE indicates that the plastic is made from LDPE plastic, which stands for low-density polyethylene. This plastic comes in the form of shopping bags, highly-resistant sacks, and crushed bottles. This type of plastic is not usually recycled, but it can be converted into floor tiles and shipping envelopes.
國際通用資源回收編碼 （ International Universal Recycling Codes ）利用 標誌 與 編碼 標示著物品的製造 材料 ，這樣的編碼可以使 資源回收 的分類更加容易。 [1] 國際通用資源回收編碼包含了 塑膠分類標誌 。 樹脂識別代碼（RIC）及歐盟委員會定義代碼列表. 下表即國際通用資源回收編碼列表： 日本資源回收標誌. 註釋. ^ Standardization Administration of the People’s Republic of China (SAC) GB16288,2008. Marking of plastics products. Chinese Standard Publishing House, Beijing; 2008.
4.塑膠回收 4號 (LDPE) 特徵：不透明或半透明 耐熱溫度：70～90 C 常見：塑膠袋、可擠壓瓶身的容器(例如番茄醬) 大部分的塑膠袋和塑膠膜都是用LDPE製成。 5.塑膠回收 5號 (PP) 特徵：不透明或半透明，耐酸鹼、耐碰撞、耐化學物質 耐熱溫度：100～140 C
Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process. The presence on an item of a recycling code, a chasing arrows logo, or a resin code , is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
- 1號 (PET)特徵：透明、質地輕盈、瓶底有一顆圓點。耐熱溫度：60～85 °C，不可加熱，不建議多次使用。常見：礦泉水、汽水或茶飲等寶特瓶。
- 2號 (HDPE)特徵：不透明或半透明，材質較堅硬。耐熱溫度：90～110 °C。常見：牛奶罐、清潔劑。
- 3號 (PVC)特徵：透明，瓶底有一條線。耐熱溫度：60～80 °C。常見：洗碗精、漱口水、雞蛋盒、雨衣、水管。PVC雖然可以回收，但焚燒會產生戴奧辛，污染環境。
- 4號 (LDPE)特徵：不透明或半透明。耐熱溫度：70～90 °C。常見：塑膠袋、可擠壓瓶身的容器(例如番茄醬)大部分的塑膠袋和塑膠膜都是用LDPE製成。
2024年2月16日 · This includes free vector (EPS) and JPEG downloads of all the major recycling symbols for you to use when creating the print artwork for your own packaging (please note permission / accreditation may be required to use specific logos). Quick Reference / Contents. 01: Recycling symbols chart. 02: Recycling symbols on cardboard.
1 - PET, used for drinks bottles and some food packaging: Widely recycled. 2 - HDPE, used for cleaning product bottles, milk cartons, etc: Widely recycled. 3 - PVC, used for car parts, window fittings, etc: Not easily recyclable. 4 - LDPE, used for plastic bags and wrapping, etc: Recycle at specialist points.
