Method 1: water detection method
The non-green bags placed in the water, and into the bottom, non-toxic non-environmental bags with a small proportion, can surfaced, toxic non-bag than the major, sink.
Method 2: fire detection method
Non-toxic polyethylene non-environmentally friendly bags flammable, the flame was blue, the top of the yellow, burning like a candle like tears dripping, with waxy smell, smoke less; toxic PVC non-environmentally friendly bags are not flammable, from the fire that is extinguished , The flame was yellow, the bottom was green, softening can be drawn, with the irritating smell of hydrochloric acid.
Method 3: Jitter detection method
Hand to seize the end of non-environmental protection bag shaking, issued a crisp sound of non-toxic; sound stuffy people are toxic.
Method 4: sensory detection method
Non-toxic non-environmentally friendly bags are milky white, translucent, or colorless and transparent, flexible, feel lubrication, the surface seems to wax; toxic non-green bag color or yellow, feel sticky.
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