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BuKePrinting >> process >> 深圳步殼印刷外塗裝工藝

深圳步殼印刷外塗裝工藝

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-09-05 | 583 Views | Share:
樹脂和溶劑組成。同時要求塗料經高溫烘烤後，白油墨的顏料不變黃，塗膜的柔軟性和附著度不降低，可適合後工序的沖壓加工。

                             深圳步殼印刷外塗裝工藝


用於金屬包裝容器外層印刷的油墨（塗裝）為外塗料，其作用是使容器外觀更加美觀提高耐用性。


打底塗料是鐵皮和油墨中間的一層連結劑，其作用是保證白油墨和鐵皮有良好的聯結性，提高油墨的附著力。


打底塗料主要有以了醇為主要溶劑的350氨基醇酸烘漆，以及如2絕緣漆，溶劑為0”凡立水，6”凡立水打底塗料應與油墨或自塗料有良好的親和性；


有良好的流平性，適當的熱固化性和柔韌性；色澤淺；乾燥成膜後泛黃性小，有良好的抗水性。塗底色多用白色塗料，俗稱白磁油，


其作用是使印在上面的彩色油墨變得更加鮮艷。通塗布兩三遍，以達到所需白度，為避免烘烤時白油墨變黃，可加入一些調色顏料白塗料主要由鈦白粉、


樹脂和溶劑組成。同時要求塗料經高溫烘烤後，白油墨的顏料不變黃，塗膜的柔軟性和附著度不降低，可適合後工序的沖壓加工。


此外塗料還要保持一定的在金屬印刷中，塗布輥一般為合成橡皮滾筒，塗布輥的錶面硬度也應符合一定的要求黏度及不揮發性。


材質主要有腦基按膠系：異橡膠系聚氨橡膠系等材料。根據塗料的溶劑組成銀應選擇具有一定肺潤性，拉伸強度、燕觀強度、耐形性等物理性能的材料。


有除布上光油能使印刷面光澤美觀，保護印刷面，養增加塗膜的抗物理性和耐化學腐蝕。


深圳步殼印刷外塗裝工藝

深圳步殼印刷外塗裝工藝


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