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The characteristics and advantages of screens of different materials

by:Senxi      2021-04-07
Stainless steel wire mesh is made of stainless steel material. Stainless steel wire mesh is characterized by good wear resistance, high strength, and low technical elongation; due to the fine wire diameter, the ink passing performance is good; the mechanical and chemical properties of the wire mesh are stable, and the dimensional accuracy is stable. The disadvantage is that it has poor elasticity and is more expensive. After the screen is stretched, it cannot be restored to its original shape. Stainless steel screen is suitable for high-precision printing of circuit boards and integrated circuits. Polyester mesh is also made of chemical synthetic fibers and belongs to the polyester series. Polyester mesh has the advantages of solvent resistance, high temperature resistance, water resistance, and chemical resistance. When the polyester mesh is subjected to greater external pressure, its physical properties are stable and the stretchability is small. Its disadvantage is that it has poor wear resistance compared with nylon mesh. In addition to the advantages of nylon screen printing, polyester screens are also suitable for printing printed circuit boards that require high dimensional accuracy. Nylon mesh is made of chemical synthetic fibers and belongs to the polyamide series. Nylon wire mesh has high strength, good abrasion resistance, chemical resistance, water resistance, and elasticity. Because of the uniform wire diameter and smooth surface, the ink passability is also excellent. The disadvantage is that the stretchability of nylon mesh is relatively large. The tension of this kind of screen is reduced for a period of time after the screen is stretched, which causes the screen printing plate to relax and the precision decreases. Therefore, it is not suitable for printing circuit boards that require high dimensional accuracy. More information about screen printing equipment comes from /news.html
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