
1) Biodegradable plastic 2) Transparent material
Found on
https://www.crosswordclues.com/clue/polylactic-acid

Poly(lactic acid) or polylactide (PLA) is a biodegradable thermoplastic aliphatic polyester derived from renewable resources, such as corn starch (in the United States), tapioca roots, chips or starch (mostly in Asia), or sugarcane (in the rest of the world). In 2010, PLA had the second highest consumption volume of any bioplastic of the world. Th...
Found on
http://en.wikipedia.org/wiki/Polylactic_acid

(from the article `industrial polymers, major`) Several degradable polyesters are commercially available. These include polyglycolic acid (PGA), polylactic acid (PLA), poly-2-hydroxy butyrate ...
Found on
http://www.britannica.com/eb/a-z/p/90
No exact match found.