What are the types of materials for screen printing mesh
What are the types of materials for screen printing mesh?
1 nylon polyester screen warp weft uniformity is very poor, the mesh size is inconsistent, the shape varies, the surface finish is also very poor, the tensile strength is very low, the quality of the production of the screen plate is not ideal, the resolution of the image is poor, the printing resistance is also unsatisfactory, so it has been rarely used! The disadvantage is that the elongation is too large, easy to age and deteriorate, the light resistance is not good, and it is easy to become brittle when exposed to light for a long time!
2. Nylon wire mesh is made of chemical synthetic fibers, belonging to the polyurethane system. Nylon wire mesh has strong abrasion resistance, chemical resistance, water resistance, and elasticity, and because of the uniformity of the silk warp and smooth surface, the ink passability is also good! Its shortcomings are, nylon mesh stretching, this screen in a period of time after the taut screen, the tension has been reduced, so that the screen printing screen slack, precision decline, so not suitable for printing size precision requirements of the industry!
3. stainless steel wire mesh made of stainless steel materials, stainless steel wire mesh is characterized by good wear resistance, high strength, small stretching, due to the fine wire diameter, the ink through the performance of good mechanical properties of stainless steel wire mesh, chemical properties, stable dimensional accuracy, its shortcomings are, poor elasticity, more expensive, screen stretching can not be restored to its original state! Stainless steel wire mesh is suitable for circuit boards and integrated circuits and other high-precision printing!
4. Monofilament polyester screen yarn, suitable for general screen printing factory, garment printing factory, handbag screen printing, organic glass, plastic panels and other screen printing polyester screen, also made of chemical synthetic fibers, belongs to the polyester screen, with the advantages of high temperature, water resistance, chemical resistance, polyester screen in the external pressure, its physical properties are stable, small stretch, its shortcomings are and nylon screen The disadvantage is that it is less wear-resistant than nylon wire mesh. In addition to the advantages of nylon screen printing, polyester screen is also suitable for printing in industries that require high dimensional accuracy, such as printed circuit boards!
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