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What are food grade plastics?

May 10, 2019

What are food grade plastics?


1,  PE Polyethylene

It is a high molecular organic compound obtained by addition polymerization of ethylene. Polyethylene is recognized as the best material for food contact in the world.Non-toxic, odorless, odorless, in line with food packaging hygiene standards. Polyethylene film, light and transparent, with moisture, oxygen, acid, alkali, air tightness, heat sealing and other properties.It is the most important material for plastic packaging printing. Commonly used in plastic wrap, plastic film, etc.


2, PET polyethylene terephthalate

Heat to 70 ° C is easy to deform, and there are substances harmful to the human body. After 10 months of plastic use, the carcinogen DEHP may be released. Do not put in the sun in the car; do not put in alcohol, oil and other substances. Commonly used in mineral water bottles, carbonated beverage bottles, etc.


3.PP polypropylene

Heat resistant up to 167 ° C, it is the only plastic package that can be placed in a microwave oven and can be reused after careful cleaning. Commonly used in soy milk bottles, yogurt bottles, juice drinks bottles, microwave lunch boxes.


4, HDPE high density polyethylene

Do not use it as a water cup. Cleaning is not thorough and should not be recycled. Common white medicine bottles, cleaning products, bath products.


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