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China non woven fabric manufacturers,pp non woven geotextile fabric,needlepunch&spunlace nonwoven,non woven polypropylene,manufacturers&wholesale suppliers in china. and showed face contact, so that each can be printed ink scraping shave, leaving residual ink , after a certain period of time will cause conjunctival paste version. ⑤ improper glass screen plate with a gap causes. The gap between the screen and the glass plate can not be too small, the gap is too small in the printing screen plate can not be scraped from the glass plate to lift the screen, a bottom plate of the ink glue, paste, so it is easy to cause board. ⑥ ink causes larger particles in the screen printing ink pigments and other solids, it is easy to block cell phenomenon. In addition, the choice of particle size wire mesh and through-hole area and a bit smaller compared to the ink, the ink is not easy to close up the phenomenon of coarse particles is one of the reasons occurs through the mesh. Due to a larger version of paste ink particles caused by the manufacture of ink can be addressed from the main method is to strictly control the fineness of the ink.
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