What are the characteristics of high-quality plastic bags?
High quality plastic bags have the following characteristics:
1. High quality plastic bags have certain strength and will not crack; Poor quality plastic bags often have poor strength and are easy to break due to the addition of impurities.2. Whether there is odor or stench in the Plastic Bag. Due to the use of additives, high-quality plastic bags should be tasteless and low-quality plastic bags containing various additives.
3. Touch the surface of the plastic bag to make it smooth and non-toxic. If the colors are mixed, they are sticky, astringent and poisonous.
4. When the high-quality plastic bag shakes, it will make a sharp sound; Poor quality plastic bags often "squeak".
5. Burning: cut off a corner of the plastic bag and put it on the fire for burning, non-toxic burning. After burning, it will continue to burn after the fire is extinguished, and the yellow flame will be released after melting like a drop of light, emitting a paraffin smell; It is toxic, nonflammable, green flame and smelly after burning.
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