Continuous toning technology

Toning and dyeing can change the appearance of the paper, leaving a deep impression on people's vision, which directly affects the sales of products and customer orders. Using continuous color matching technology, no matter what color paper and cardboard customers need, you will do it in a short time. If you produce white paper and cardboard, it will make your paper look whiter and brighter; if you produce colored paper and cardboard, it can simplify the coloring operation and a large number of transitional colored paper while improving quality. And in a short period of time to produce colored paper or cardboard to satisfy customers.

1. The advantages of continuous dye addition

(1) Short toning time. It usually takes about half an hour. Faster speed means shorter time. There are few transitional colored papers, and it is easy to reach the standard of the target paper pattern.

(2) It is fast to switch the hue during normal production, and it is convenient to switch production varieties. It does not need to rinse the pulp tank, and it usually takes only ten minutes to complete.

(3) The hue of the paper has the means and methods of quality control and is not affected by the night and light.

2. Disadvantages of adding dye intermittently (that is, in the pulp tank)

(1) The color adjustment process takes a long time, there are many transitional colored papers, and it is not easy to achieve the same as the target paper pattern.

(2) Switching production varieties is slow, and sometimes it is necessary to stop production to flush the pulp pond.

(3) There is a lack of means and methods for quality detection of the color and hue of paper and cardboard. It is greatly affected by light and cannot be managed and controlled with scientific data.

3. The advantages of using new dyes

(1) The color of the finished paper is bright (2) It has high light fastness (ultraviolet) fastness, and it is not easy to fade after long-term storage.
(3) It can be mixed with water in any proportion, the diffusion speed is fast, and no precipitation will occur.

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