Bank PE plastic bags punching high and low pressure flat pocket

Punching plastic bags in any way coated with a layer of plastic film, will cause airtight. At present in the use of such Fumo woven bags, it is necessary to ensure that the cement in the filling at a certain pressure under the action of timely filling, but also in the transport, handling, storage process to achieve moisture-proof purpose. At present, only in the Fumo plastic bag bag surface stabbed on the pores, there is no other technical methods can be replaced. Fumo woven bags and other forms of packaging bags, in addition to meet the basic functions of packaging cement, but also to solve the cement filling the exhaust problem, the temperature problem

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