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Development history of plastics
In 1845, sainberg, a chemist living in Basel, northwest Switzerland, accidentally encountered the concentrated nitric acid and concentrated nitric acid on the table when doing an experiment at home...
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The development prospect of vacuum packaging is very good...
Vacuum bag, whose English name is foodbag, is one of the composite food bags. The main material is PE film or CPP film whose inner material must be completely new, and the outer layer is nylon...
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In daily life, please pay attention to the bad matters of three types of plasti...
When using hot food in daily life, please pay attention to the following three types and do not use plastic bags indiscriminately: one can not put food and can only be used to hold building materials...
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Popularization of self-supporting nozzle bag knowledge...
The self-supporting nozzle bag became popular in the 1990s. Self standing suction nozzle bag refers to a flexible packaging bag with horizontal support structure at the bottom and suction nozzle at ...
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