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內刊印刷要考慮紙張的平滑度

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-10-09 | 385 Views | Share:
所謂紙張的平滑度,指的是紙張錶面平整光滑的程度。紙面的光滑度大小,取決於下列因素:

內刊印刷要考慮紙張的平滑度

所謂紙張的平滑度,指的是紙張錶面平整光滑的程度。紙面的光滑度大小,取決於下列因素:


①紙漿原料純凈、無雜質,纖維柔軟而組織緊密;


②打漿時使纖維縱裂變細,帚化發毛,橫向適當切短,使它
交織緊密;


③適當添加填料,膠料堵塞纖維空隙,並牢固地粘著纖維。


紙張的平滑度是由造紙廠決定的,印刷操作者很難人為地改變紙張的性質。但是,如果膠印機操作者能夠在工藝和油墨等方面,給紙張以配合和適應時,那麽印品質量也可以相應地得到提高。其適應手段是:


①當紙張的平滑度較差時,增大印刷壓力,使用流動性較大
潤濕性較強的油墨


②當紙張的平滑度高時,適當地減小印刷壓力,使用黏度較
高、附著力較強的油墨。

內刊印刷要考慮紙張的平滑度
內刊印刷要考慮紙張的平滑度

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