Cabbage high-pressure special bags is an indispensable item in our life, then we are in the application, how to determine whether it is toxic, the following we simply to talk about:
(1) feel: poisonous cabbage high-pressure special bags feel hair sticky, and color turbidity;
(2) the appearance of the discrimination: the general non toxic cabbage high-pressure special bags are generally transparent;
(3) non toxic cabbage high-pressure special bags into the water will float up, and the opposite is toxic;
(4) the high pressure of the Chinese cabbage is forced to shake, the poisonous sound is stuffy, but the sound is clear and clear.