Encyclopedia > Resin identification code

  Article Content

Resin identification code

The code below is called the SPI resin identification coding system, developed by the American Society of the Plastics Industry[?] in 1988.

Most plastics can be recycled, but because of the difficulty and expense of sorting, collecting, cleaning and reprocessing it is only at the moment economically viable to recycle PETE, PVC and HDPE.

Thermoplastics[?] can be remelted, but thermosetting plastics[?] can only be crushed and used as insulation.

As you can not mix plastics together they have to be separated into their different polymer types.

Recycling No. Abbreviation Polymer Name
1 PETE or PET Polyethylene Terephthalate
2 HDPE[?] High-Density Polyethylene
3 PVC or V Polyvinyl Chloride
4 LDPE[?] Low-Density Polyethylene
5 PP[?] Polypropylene
6 PS Polystyrene
7 OTHER Other plastics, including acrylic and nylon.

External link

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Adversarial system

... some adversarial legislative systems, the court is permitted to make inferences on an accused's failure to face cross-examination or to answer a particular question. ...