Fire tests: you can cut the plastic bag to an edge, burn, toxic won't burn;Non-toxic fire burn.
Touching test: touch bags, with sense of lubrication is non-toxic;Otherwise, toxic.
Jitter detection method: grasp the plastic bags end by hand, forced to pat, issued by the crisp sound of nontoxic; otherwise toxic.
Fire tests: you can cut the plastic bag to an edge, burn, toxic won't burn;Non-toxic fire burn.
Water test: the plastic bag into the water, non-toxic plastic bags into the water, can emerge;The toxic plastic bags are not to rise.
Maybe everyone will have such experience.In a supermarket or store, maybe you don't need which items, but just because it is an attractive "heart" to it.Many businesses is the people of this psychological, fluctuation full time in food packaging.In order to achieve a goal, regardless of people's health and safety, the use of foods packed in plastic bags, and most of these plastic bags is "3 without" product, have a plenty of recycling plastic products, using this kind of plastic bags packaged foods cause serious damage to the health of consumers.For consumers, but also to master some skills and methods.