What is an opp bag?

What is an opp bag?

OPP bag is a kind of stretched polypropylene, which belongs to a kind of plastic. Actually, it's a plastic bag. Its characteristics are: easy to burn, flame situation: melting and dripping, yellow on the top and blue on the bottom, less smoke after leaving the fire, continue to burn.

Opp is the abbreviation of oriented polypropylene.

Oriented polypropylene

Oriented polypropylene;

[Example] Optimization of production process conditions of special resin biaxially oriented polypropylene

Production of Biaxially Oriented Polypropylene Special Material and Optimization of Technological Conditions