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显影液的正常浓度范围是多少
作者:admin 来源:http://www.sdhzyw.com 发布时间:2017-6-9 15:11:55 浏览次数:260

显影液的正常浓度可通过网点梯尺测试;在正常曝光条件下显影30~100秒时,若出现小黑点丢失较多时说明显影液浓度过大;若出现小白点糊死较多时说明显影液浓度偏低.所以更好在济南电分设计制版厂家指定的浓度范围内使用显影液.

The normal concentration of developering by dot ruler test; in the normal exposure conditions of developing 30~100 seconds, if the black dots lost more that developering concentration is too high; if the white paste is large that dead developer concentration is low. So the best in Ji'nan electric meter is divided into developering concentration range of plate manufacturers designated the inside.

显影液的浓度是指显影剂的相对含量,即NaOH、Na2SiO3总含量.济南电分设计制版市场上销售的显影液多是浓缩型液体,使用时需要按比例稀释,显影液的浓度多以显影液的稀释比来表示.

The concentration of the developer refers to the relative content of the developer, NaOH, the total Na2SiO3 content. The developer of Ji'nan electric design plate market sales are concentrated liquid, the need to use according to the proportion, the concentration of the developer said recently to dilute the developer.

济南彩色设计印刷

在其他条件不变的前提下,显影速度与显影液浓度成正比关系,即显影液浓度越大,显影速度越快.

On the premise that other conditions remain unchanged, the development speed is directly proportional to the concentration of developer solution, that is, the greater the concentration of developer solution, the faster the rate of development

当温度22℃,显影时间为60秒时,PD型显影液浓度对PS版性能的影响.从表中数据可看出,以3级干净为准的曝光量,PD型显影液浓度以1∶6为更佳.

When the temperature is 22 degrees, and the development time is 60 seconds, the effect of PD developer concentration on the performance of PS version can be seen from the data in table, the exposure level is 3 clean, and the concentration of PD developer is 1 to 6

当显影液浓度过大时,往往因显影速度过快而使显影操作不易控制;特别是它对图文基础的腐蚀性增强,容易造成网点缩小、残损、亮调小网点丢失及减薄涂层,从而造成耐印力下降等弊病。

When the developering concentration is too high, often because of developing fast and developing the operation is not easy to control; it is based on special graphic enhanced corrosion, easy to cause the damage, the bright dot reduction, small dot loss and thin coating, resulting in defects of pressrun decline.

同时空白部位的氧化膜和封孔层也会受到腐蚀和破坏,版面出现发白现象,使印版的亲水性和耐磨性变差.显影液浓度大,还易有结晶析出.

At the same time, the blank film and the sealing layer will also be corroded and damaged. The layout appears white, which makes the printing plate's hydrophilicity and wear resistance worse. The concentration of developing solution is large, and it is easy to crystallize

本文的精彩内容来自济南精装书制作详细内容请点击我们的官方网站: http://www.sdhzyw.com谢谢您的到来!

The wonderful content of this article comes from Ji'nan hardcover books. Please click on our official website: http://www.sdhzyw.com, thank you for coming!