1, look. In terms of the color of the filter cloth, the […]
1, look. In terms of the color of the filter cloth, the large chemical fiber filter cloth is white and has good gloss. Small chemical fiber filter cloth is dark, gray, and some filter felts such as Nomex, the color is yellowish. For the gloss of the filter cloth, the surface of the long-fiber filter cloth is smoothPolypropylene Filter Cloths Suppliers and has good luster, and the surface of the short-fiber filter cloth is covered with hair. For the texture of the filter cloth, such as twill, plain, these lines, can also help you judge the model.
2, touch. (Softness) Among them, short fibers such as 208, 729 are soft like a plush cloth. 734, 747, 758, and 3927 are all woven from the same kind of raw materials, but the thickness and density are different. 3927 is very rough, strong and not soft. Softness, and roughness require you to hold the sample a little bit, and the corresponding filter cloth specifications have their own density factor, which can be roughly discerned by comparison.
3, said. The main reason is to determine the thickness of the filter cloth, it is best to use a small piece to weigh (gram weight per square meter).
4, burn. Among them, the polyester burned black smoke, and the polypropylene burned blue.
The order is to determine whether it is a woven fabric, and then determine the material (polyester, polypropylene or whatever), and then make a rough judgment on the length and length of the fiber. According to the thickness, density and weight of the filter cloth, the filter cloth model is comprehensively determined.