Sub-station

How to correctly identify packs really?

by:Yourijiu     2021-02-04

with non-toxic plastic bags available the following Jane du then method to identify: < br / > water test: < br / > the plastic bag into the water, non-toxic plastic bags into the water, can emerge; The toxic plastic bags are not to rise.

< br / > hand touch test: < br / > touch bags, with sense of lubrication is non-toxic; Otherwise, toxic.

< br / > jitter test: < br / > by hand grasp plastic bag end, forcibly clap, issued a ringing sound non-toxic; Toxic conversely.

< br / > the fire test: < br / > can cut the plastic bag to an edge, burn, toxic won't burn; Non-toxic fire burn.

< br / >

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