How to choose screen printing screens?

1. To choose according to the substrate material. When the substrate material for clothes, scarves, ties, bags, etc., can choose nylon screen printing screens; When the substrate material for postcards, wallpaper, calendar, etc., can choose thick nylon screen printing screens; When the substrate material for glassware, metal containers, wood, ceramics, plastic products, toys, can choose nylon, thin polyester screen printing screens, stainless steel wire mesh; When the substrate material for integrated circuits, semiconductor components, insulating cloth, TV components, etc., you can choose polyester screen printing screens, stainless steel wire mesh.

2. The need to pay attention of screen printing screens

1) Whether the weaving is uniform. When the gap between the diameter and diameter weaving is not uniform or good or bad, which causes the aperture change and thus affects the amount of printing ink transfer, ink film thickness will be different. Such as uneven screen weaving only appears in local, use should avoid this part as far as possible, so as not to affect the printing quality.

2) Whether the thickness of the diameter is uniform. A mesh is made of woven diameter, and it is generally believed that the thickness of the diameter is generally the same, but it is not. And the thickness of the mesh changes will make a part of the thickening or thinning, printing ink thickness uneven phenomenon.

3) The difficulty of the ink through the screen printing screens. This aspect is considered more when choosing generally. Intermediate tone with high transparency ink. The pigment particles are relatively fine, the penetration of the ink is good, this kind of ink can also be very good through the use of high mesh screen; General plastic ink through better; Special purpose ink, pigment high solubility of ink, although the particles are fine, but its passability is still relatively poor.

4) Substrate material surface roughness.When the substrate material surface is rough, generally use a lower mesh screen. Such as leather, canvas, foam sheet, wood and so on. Due to the substrate material surface rough, ink absorption is strong, so the screen printing screens mesh count is low, to ensure that enough ink through.

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