How to distinguish the authenticity of non-woven fabrics
Jul 18, 2021
Method 1: Water detection method
Put the non-environmental protection bag in the water and press it into the bottom of the water. The proportion of the non-toxic non-environmental protection bag is small and can surface. The toxic non-environmental protection bag has a large proportion and sinks.
Method 2: Fire detection method
The non-toxic polyethylene non-environmental protection bag is flammable, the flame is blue, the upper end is yellow, and it drips like candle tears when it burns, has a paraffin smell, and has less smoke; the toxic PVC non-environmental protection bag is not flammable, and it goes out immediately after leaving the fire. , The flame is yellow, the bottom is green, it can be softened and can be drawn, and it has a pungent odor of hydrochloric acid.
Method 3: Jitter detection method
Grasp one end of the non-environmental protection bag with your hand and shake it vigorously. Those with a crisp sound are non-toxic; those with a dull voice are poisonous.
Method 4: Sensory detection method
Non-toxic non-environmental protection bags are milky white, translucent, or colorless and transparent, flexible, smooth to the touch, and waxy on the surface; toxic non-environmental protection bags are cloudy or yellow in color and sticky to the touch.
