How many layers can be made in oil suction bags? What is the difference in the use effect? Of course, the more layers, the better the filtering effect. The truth is actually very simple. There are several layers that are filtered several times.Efficient oil absorption capacity,It can quickly absorb all kinds of grease higher than the weight of its own materials.Multi-layer composite deep filtration structure.Double utility,Oil Absorption and interception of impurities.Wide chemical compatibility of filter materials,Large amount of slag,Long service life.The oil-absorbing filter bag adopts a multi-layer structure by filtering the felt cloth,The composition of the oil absorption layer and the protection layer,For certain industries,Such as automobile manufacturing,Parts manufacturing, chemical processes, wastewater treatment, and metal casting industries are specially formulated,Oil can be removed,Different sizes of particles can also be filtered out as needed.Choosing the correct filtration system should first
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How much is 250 pipeline welding one meter, connected to the shaft machine room, Dongsheng. According to the calculation of extended rice,If the labor cost alone is 40 yuan per meter,And does not contain elbow tee and other pipe fittings. this depends on the requirements for welding,For example, after welding, the weld is required to be RT or UT tested,And the requirements to reach a few levels and so on.The higher the general requirements, the higher the processing fee.Usually calculated according to the number of welded joints,Rarely calculated by length.Hope to help you.I guess that is 3.5--