?多层折叠贺德克滤芯过滤性能的研究如下：高效分离用多层折叠贺德克滤芯的材料可以是金属纤维毡、玻纤滤纸以及其他材料，与一定孔目的不锈钢丝网、楔形滤布进行搭配复合，经折叠加工后制成筒形，其精度在3至200微米，视具体所需而定，装上内骨架、上下盖端，采用进口防水强力胶剂粘结精制而成HYDAC。该品牌滤芯的特点在于折叠之后大大增加了滤芯的有效过滤面积以及过滤流量，合理的叠层能有效滤除抗燃油、变压器油及各种润滑油产品中的杂质，纳污能力大大提高。更换频率大大降低，有效提高工作产能，已成为广大采购商在采购单中*的优质滤芯产品。

贺德克液压滤芯件号说明D系列：0030D003BN/HC 0030D005BN/HC 0030D010BN/HC 0030D020BN/HC 0030D003BN3HC 0030D005BN3HC 0030D010BN3HC 0030D020BN3HC 0030D003BN4HC 0030D005BN4HC 0030D010BN4HC 0030D020BN4HC  0030D020P  0030D020P0060D
 
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