4 methods for testing the quality of eco-friendly bags

by:KUOSHI     2021-03-25
u003cpu003eWith the issuance of the ban on plastics, plastic bags are slowly receding, and the rise of environmentally friendly bags also means that environmentally friendly bags will be mixed. So how to test the quality of environmental protection bags? Let the editor elaborate on the following 4 methods for you.u003c/pu003eu003cpu003eu003c/pu003eu003cpu003eThe first method: sensory detection method;u003c/pu003eu003cpu003enon-toxic and non-environmental protection bag It is 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. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003eThe second method: water detection method;u003c/pu003eu003cpu003ePut 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 bags is small , Can surface, the toxic non-environmental protection bag has a large proportion and sinks. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003eThe third method: shaking detection method;u003c/pu003eu003cpu003eGrasp one end of the non-environmental protection bag with your hand and shake it hard, and it is non-toxic if it makes a crisp sound; the sound is dull Astringent is poisonous. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003eThe fourth method: fire detection method;u003c/pu003eu003cpu003eThe non-toxic polyethylene non-environmental protection bag is flammable, the flame is blue, the upper end is yellow, and when burning It drips like candle tears, 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 and the bottom is green. It can be softened and can be drawn. It has a pungent odor of hydrochloric acid. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003eThe above are the 4 quality inspection methods of environmental protection bags explained to you by the environmental protection bag manufacturer, I hope it will be useful to you! u003c/pu003eu003cpu003eu003c/pu003e
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