Will plastic films refract light?
Agricultural film is made of ordinary plastic, commonly known as PE film, in high temperature (100 degrees or more), slightly poisonous, good point inside the PE film, added anti ultraviolet material, sunscreen good point (use time will be longer).
Agricultural film by recycling made of particles or rough sense of touch, a slight bitter or astringent taste, reduce with the extension of time, but will not disappear, usually as long as we don't have to install recycled food will not cause harm to humans. Safe to use.
