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现在市场的方体PE阀口袋，上底和下底都是粘合剂粘合的，由于粘合剂的成分不适用不拆包装和原料一起投入到炼胶设备。该产品上底和下底是热封口，表面有排气微孔解决了排气问题，表面有防滑凸点解决了码垛塌垛问题。能和原料一起投入到炼胶设备。袋子能和橡胶混炼均匀，不影响橡胶质量。
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