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gas proofness;air impermeability
Molecular formula :
CAS :

nature : mean or thin plastic film to prevent oxygen, hydrogen, nitrogen and other gases through the nature of the vacuum system in the building plays an important role. If the vacuum packaging used by the film, should prevent oxygen through, in order to keep the internal material in food or oxidation.


Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".
Structure:
Please see below "More Detailed Data"
More Detailed Data:
1) air-tightness;air-impermeablity
2) air impermeability rubber
3) permeability
4) permeability
5) permeability
6) tyre air-tightness;tyre air-impermeability
7) air impermeability test of rubber
Notice Some description was translated by software and the data is only as a reference.
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