The detection of plastic bags can be used in some of the following methods to detect toxic and non-toxic plastic bags.
Sensory Testing Method: Non-toxic plastic bags are milky white, translucent, or colorless and transparent, flexible, feel lubricated, the surface is like wax; poisonous plastic bag color cloudy or pale yellow, feel sticky, astringent.
Water testing Method: The plastic bag placed in the water, and pressed into the bottom, non-toxic plastic bag specific gravity, can surface, toxic plastic bag gravity, sinking.
Fire detection method: Non-toxic polyethylene plastic bags flammable, flame blue, the upper end of yellow, burning like a candle tears dripping, paraffin flavor, smoke, toxic PVC plastic bag is not flammable, off the fire is extinguished, the flame is yellow, the bottom is green, softening can draw, has the pungent odor of hydrochloric acid.
Smell detection method: Plastic bags made of recycled raw materials have an unpleasant smell. Jitter detection method: Hand grasp the plastic bag one end of the force shaking, a crisp sound is non-toxic, the voice tightness is poisonous.