2014年(381)
分类: 信息化
2014-06-04 19:05:56
A high density , including inside, outside, stitches.Level is within the lining surface, with plastic film.Outer layer is to strengthen the compressive seismic surface of plastic woven bag.With hot sealing machine sealing after fill the bag of cement concrete, also can use packing belt tied the seal, sealed with suture outside, also can use other sealing machine sealing. advantages are simple structure, easy, low cost, good sealing effect and storage period is longer than the existing six layers bags to more than 2 times.
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