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一次性飯盒上的編碼通常為數(shù)字1至7,這些數(shù)字被置于一個(gè)由三個(gè)箭頭組成的三角形內(nèi),代表塑料的不同材質(zhì)和特性,具體如下:
The codes on disposable lunch boxes are usually numbers 1 to 7, which are placed in a triangle composed of three arrows representing different materials and characteristics of plastic, as follows:
數(shù)字1(PET,聚對(duì)苯二甲酸乙二醇酯):
Number 1 (PET, Polyethylene terephthalate):
常見于礦泉水瓶、碳酸飲料瓶等。耐熱至70℃,易變形,可能釋放對(duì)人體有害的物質(zhì),使用10個(gè)月后可能產(chǎn)生致癌物,不適合用于一次性飯盒。
Commonly found in mineral water bottles, carbonated beverage bottles, etc. Heat resistant to 70 ℃, easily deformed, may release harmful substances to the human body, may produce carcinogens after 10 months of use, not suitable for disposable lunch boxes.
數(shù)字2(HDPE,高密度聚乙烯):
Number 2 (HDPE, high-density polyethylene):
常用于制作清潔用品、沐浴產(chǎn)品的包裝瓶。可耐110℃高溫,標(biāo)明食品用的塑料袋可用來盛裝食品,但一般不用于一次性飯盒。
Commonly used for making packaging bottles for cleaning and bathing products. Can withstand high temperatures up to 110 ℃, plastic bags labeled as food can be used to hold food, but are generally not used for disposable lunch boxes.
數(shù)字3(PVC,聚氯乙烯):
Number 3 (PVC, polyvinyl chloride):
常用于制作建材,屬于有毒塑料制品。高溫時(shí)容易釋放有害物質(zhì),對(duì)人體健康有害,已很少用于食品包裝。
Commonly used in the production of building materials, it belongs to toxic plastic products. It is easy to release harmful substances at high temperatures, which is harmful to human health and is rarely used in food packaging.
數(shù)字4(LDPE,低密度聚乙烯):
Number 4 (LDPE, low-density polyethylene):
常用于制作保鮮膜、塑料膜等。耐熱性不強(qiáng),超過110℃時(shí)會(huì)出現(xiàn)熱熔現(xiàn)象,留下人體無法分解的塑料制劑,不適合用于一次性飯盒。
Commonly used for making cling film, plastic film, etc. The heat resistance is not strong, and when it exceeds 110 ℃, it will experience thermal melting, leaving behind plastic preparations that cannot be decomposed by the human body. It is not suitable for use in disposable lunch boxes.
數(shù)字5(PP,聚丙烯):
Number 5 (PP, polypropylene):
是制作一次性飯盒的常見材質(zhì)。耐高溫,可耐130℃,是可以放進(jìn)微波爐的塑料盒。在清潔后可重復(fù)使用,環(huán)保性相對(duì)較好。
It is a common material for making disposable lunch boxes. High temperature resistant, capable of withstanding up to 130 ℃, it is a plastic box that can be placed in a microwave oven. After cleaning, it can be reused and has relatively good environmental friendliness.
數(shù)字6(PS,聚苯乙烯):
Number 6 (PS, polystyrene):
常用于制作碗裝泡面盒、快餐盒等。又耐熱又抗寒,但不能放進(jìn)微波爐,以免因溫度過高而釋出化學(xué)物,且不能用于盛裝強(qiáng)酸、強(qiáng)堿性物質(zhì)。
Commonly used for making bowl shaped instant noodle boxes, fast food boxes, etc. It is both heat-resistant and cold resistant, but cannot be placed in a microwave oven to prevent the release of chemicals due to high temperatures, and cannot be used to contain strong acids or alkaline substances.
數(shù)字7(其他類塑料,如PC):其中可能含有有損健康的雙酚A,耐高溫但不宜接觸食品,不適合用于一次性飯盒。
Number 7 (other types of plastics, such as PC): It may contain harmful bisphenol A, is heat-resistant but not suitable for contact with food, and is not suitable for use in disposable lunch boxes.
本文由 一次性紙餐盒 友情奉獻(xiàn).更多有關(guān)的知識(shí)請(qǐng)點(diǎn)擊 http://www.xracz.cn/ 真誠的態(tài)度.為您提供為全面的服務(wù).更多有關(guān)的知識(shí)我們將會(huì)陸續(xù)向大家奉獻(xiàn).敬請(qǐng)期待.
This article is a friendly contribution from disposable paper lunch boxes For more related knowledge, please click http://www.xracz.cn/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Stay tuned
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