Foaming process of printing foamed pulp

In the practice of hand-foaming using foamed pulp, the relationship between the pressing temperature, the foaming effect and the washing fastness of the printed foaming pulp under the same pressing time (10S)

The foaming process of printed foaming foam should control the foaming temperature and foaming time of manual printing foaming in order to achieve the best effect of the three-dimensional foaming process and meet the requirements of the market.

The hand-printed foams are heated and foamed at (125-145)°C/10S. The temperature is lower than 80°C and the foaming height is not reduced.

Most people will encounter this problem in the practice of foaming; when the foamed foam is printed and foamed, its foaming height is very good, and the height is low for several days. Therefore, some people think that after the foaming foam has been foamed, its height will certainly be reduced. Actually, there is no scientific basis for this. In fact, this is only caused by the shrinkage of the supporting material (fabric) after the foamed foam is foamed at a high temperature. The difference in the eye's perspective is caused. The author did the test, after the sample cloth was foamed at the same time through the foaming process, using a micrometer to measure the foam height is 20um, and then in the third and sixth days after the determination of the height is still 20um, and even 60 days re-issued Bubbles, foaming height will not change. In the manual printing foaming three-dimensional process, manufacturers should consider the actual height of the customer to adjust the application of the formula, so as to avoid unnecessary losses.

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