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Plastic Identification Codes by SPI resin identification coding system

You have probably noticed on most plastic products a recycling symbol with 1, 2, 3, 4, 5, 6 or 7 along with letters.

So what are these exactly?

The SPI resin identification coding system is a set of symbols placed on plastics to identify the polymer type. The symbols used in the code consist of arrows that cycle clockwise to form a rounded triangle and enclosing a number, often with an acronym representing the plastic below the triangle. When the number is omitted, the symbol is known as the universal Recycling Symbol, indicating generic recyclable materials. It was developed by the Society of the Plastics Industry (SPI) in 1988, and used internationally.

With this application you can:

- search for plastic codes

- see description, statistic about them

- see the formula for them

- what products are made by them

- see which are safe to use.

Искате ли българска версия? Do you want Bulgarian version?

Keywords: Plastics, Plastic Identification Codes, Polyethylene terephthalate (PET, PETE),High-density polyethylene (HDPE),Polyvinyl chloride(PVC),Low-density polyethylene (LDPE),Polypropylene (PP),Polystyrene (PS),Other (oftenpolycarbonate orABS),

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