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BuKe factory >> knowledge >> 包裝廠印刷廠墨層疊印的影響因素

包裝廠印刷廠墨層疊印的影響因素

From:Buke printing factory of China深圳步殼印刷廠 | Author:China Bukeprinting factorybook0755 | Published time: 2020-07-17 | 480 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
包裝廠印刷廠疊印是指:當印張的前一色尚未乾透時,後一色就在其錶面又疊印上去,這種前一色未乾,後一色就開始疊印的方式,稱為濕壓濕疊印。在濕壓濕疊印中,合理地選取油墨的黏度是非常重要的,即前印色所用油墨的黏度,一定要大於後印各色油墨黏度。墨層疊印良好,除油墨黏度外,墨量的多少都起著相當大的作用。
包裝廠印刷廠墨層疊印的影響因素

包裝廠印刷廠疊印是指:當印張的前一色尚未乾透時,後一色就在其錶面又疊印上去,這種前一色未乾,後一色就開始疊印的方式,稱為濕壓濕疊印。在濕壓濕疊印中,合理地選取油墨的黏度是非常重要的,即前印色所用油墨的黏度,一定要大於後印各色油墨黏度。墨層疊印良好,除油墨黏度外,墨量的多少都起著相當大的作用。

總之,要想達到良好的墨層效果,對油墨的要求應當是

(1)要具有恰當的黏度和濃度,且使這兩者保持高度的一致性。

(2)要具有適中的油墨供給量,過多或過少都會影響疊印效果。

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