Classification of plastic cups


Plastic cups are classified by number. No. 1 PET polyet […]

Plastic cups are classified by number.

No. 1 PET polyethylene terephthalate

Common mineral water bottles, carbonated beverage bottles, etc. Heat-resistant to 70°C and easily deformed.

HDPE No. 2 High Density Polyethylene

Common white medicine bottles, cleaning supplies, and bath products. If cleaning is not thorough, do not recycle.

No. 3 PVC polyvinyl chloride

Common raincoats, building materials, plastic films, plastic boxes, etc. It has excellent plasticity and low price, so it is widely used. It can only heat up to 81℃ and is rarely used in food packaging.

No. 4 PE polyethylene

Common cling film, plastic film, etc. Hazardous substances are produced at high temperatures. Do not put the plastic wrap in the microwave oven.

No. 5 PP polypropylene

Common soy milk bottles, yogurt bottles, juice drink bottles, microwave lunch boxes. With a melting point of 167°C, it is the only plastic box that can be placed in a microwave oven and can be reused after careful cleaning.

No. 6 PS polystyrene

Common bowls of instant noodle boxes and fast food boxes. Do not put it in a microwave oven to avoid the release of chemicals due to high temperature.

No. 7 PC other types

Common kettles, space cups, and milk bottles. Department stores often use water cups of this kind as gifts. Do not heat it when using it, and do not expose it to direct sunlight.

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