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What are the common defects in screen printing, and how to prevent and solve them?

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Common screen printing defects include ink bleeding, uneven ink layer, pinholes, and poor adhesion. To prevent and solve these issues, targeted measures are needed. For ink bleeding, ensure the screen tension is uniform, optimize the ink viscosity (increase it appropriately), and adjust the scraper angle to avoid excessive pressure. For uneven ink layers, select screens with uniform mesh size, keep the scraper flat, and maintain a stable printing speed. For pinholes, thoroughly clean the screen
Common screen printing defects include ink bleeding, uneven ink layer, pinholes, and poor adhesion. To prevent and solve these issues, targeted measures are needed. For ink bleeding, ensure the screen tension is uniform, optimize the ink viscosity (increase it appropriately), and adjust the scraper angle to avoid excessive pressure. For uneven ink layers, select screens with uniform mesh size, keep the scraper flat, and maintain a stable printing speed. For pinholes, thoroughly clean the screen and substrate to remove impurities, and filter the ink to eliminate air bubbles. For poor adhesion, pre-treat the substrate (such as plasma cleaning or primer coating) to improve surface wettability, and select inks that are compatible with the substrate.


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Address: 1st Floor, Comprehensive Building, Huidan Road Side, Yuandong Community, Taoqian Zhilian Village, Sandong Town, Huicheng District, Huizhou City

Phone: 0086-188 1965 8023

E-mail:sales@shuorui-tech.com

ShuoRui

Address: 1st Floor, Comprehensive Building, Huidan Road Side, Yuandong Community, Taoqian Zhilian Village, Sandong Town, Huicheng District, Huizhou City

 

Phone: 0086-188 1965 8023

 

E-mail:sales@shuorui-tech.com

Copyright ©2017-2026 Huizhou Shuorui Electronics Technology Co., Ltd. All Rights Reserved. 粤ICP备2026013541号-1 技术支持:粤尚科技


Copyright © 2017-2026 Huizhou Shuorui Electronics Technology Co., Ltd. All Rights Reserved. 粤ICP备2026013541号-1 技术支持:粤尚科技

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