When the pitch at 6-8mm clockwise several moderate sun woven silk phenomenon not off test, and the sample is stretched failure line and wire breaking at the same time, the strength of the seam to be able to meet the standard requirements. And when the pitch is greater than 10mm sunscreen woven bags, because the pitch is too large, stretching some Biansi emerge from a neutral pitch in and the line is not broken, so that the seam strength is difficult to meet the standard requirements. What is the principle of screen printing is? Due to the viscosity of the ink blots leaving fixed within a certain range, the printing process is always squeegee and screen printing and substrate bags price sunscreen line contact, the contact line with the blade and moves Beijing sunscreen woven plant, since maintaining a certain clearance between the screen plate and the substrate, such that when the stencil printing by itself produces tension on the scraper reaction, this reaction is called resilience. Sun bags | Xin Yu Package | sunscreen woven by Xiong Yu Xin plastic packaging plant. Sun bags | Xin Yu Package | Sun Xiong Xin Yu Plastic bags are packaging plant (www.xinyusl.com) (www.xinyusl.com) this year introduced a new upgrade, the above picture is for reference only, please dial this page Phone or pictures on obtain the latest information, contact: Wang Kai Lai.