How to Correctly Identify and Use Plastic Food Bags?
The detection of plastic bags can use 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, smooth to the touch, and waxy on the surface; toxic plastic bags are cloudy or light yellow in color, and feel sticky and astringent. Water testing method: Put the plastic bag in the water and press it into the bottom of the water. The non-toxic plastic bag has a small specific gravity and can surface. The toxic plastic bag has a large specific gravity and sinks. Supermarket Food Plastic Bags Fire detection method: non-toxic polyethylene plastic bag is flammable, the flame is blue, the upper end is yellow, and it drips like candle tears when burning, has a paraffin smell, less smoke, and toxic PVC plastic bags are not flammable and away from the fire When it is extinguished, the flame is yellow, the bottom is green, it can be softened and can be drawn, and it has a pun...
