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How to distinguish between sintered mesh and sintered felt

  From the material of the two

  1。 The sintered mesh is made up of a plurality of stainless steel woven meshes of the same kind or different, which are repeatedly pressed, rolled and repeatedly subjected to vacuum sintering at 1260 ° C, and then formed by diffusion and solid solution。 Mechanical strength and overall rigidity。

  2. Stainless steel sintered felt is made of extremely fine metal fiber with different wire diameter (accurate to micron) through non-woven laying, overlapping configuration and high temperature vacuum sintering at 1180 °C.

  From the perspective of sintering process

  The sintering process of the sintered mesh is to stack several layers of stainless steel woven meshes of different structures and to form a cross section of the sintered mesh.

  As can be seen from the figure, the structure is ordered. Sintering is a non-woven paving process in which metal fibers are sintered together in a disorderly manner.

  From the perspective of filtering characteristics

  Due to the different manufacturing processes of the two, their filtration characteristics are also different.

  Concentration

  Since the sintered felt is formed by sintering non-woven metal fiber filaments of different pore diameters, a pore layer having different gradients is formed during the sintering process, so the sintered felt has a larger amount of dirt than the sintered mesh.

  2. Cleaning cycle

上海11选5走势图  As can be seen from the above, the sintered felt has a larger amount of dirt than the sintered mesh, so the cleaning cycle of the sintered felt is longer than the cleaning cycle of the sintered mesh.

  3. Blind hole rate

  From the perspective of the manufacturing process of the sintered mesh, the overall structure is in an orderly manner, so the blind porosity of the sintered mesh is almost zero with respect to the sintered felt of the nonwoven fabric, and the sintered felt has a certain blind porosity。

  4 from the perspective of filtration accuracy

上海11选5走势图  The filtration precision of the sintered mesh ranges from 1 to 300 um, and the sintered felt has a filtering precision ranging from 5 to 60 um because of its certain blind hole filtration. Therefore, the filtration accuracy of the sintered mesh is larger than that of the sintered felt.

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