Because of the PE has good heat seal ability, it can' t obstruct the gas but it can obstruct the fluid very well. It is good for packing fluid medicine. Some factories used old glass bottles before, it has two fatal defects:

1.It is easy broken when you are opening.
2.The fluid in it is easy to expanded and crash the bottle when it has fermented. So it will damage the product packaging.
Officinal PVC/PE coated film has taken away from the two defects above. It is mainly produced by officinal PVC film, then heat seal the PE film. During the producing, the temperature, coated quantity and solid time are measured strictly to make sure that the product can meet the standard of the same product in the international. The heat seal ability is 4 times higher than common PVC film. It also has good rigidty, flexility, compression resistance and dilatability. It is suit for packing all kinds of fluid medicine.

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