久久夜夜操,国产拍拍1000部ww,亚洲色图综合图区,天天射天天爽,日本强奷中文字幕在线播放,五月天免费人成网站,欧美日韩国产免费一区二区三区

lykehanrectina@163.com
0086+15965450121

Paper industry

Addtime:2021-10-06 12:51:45 Click:460

Mainly using small particle size alkaline silica sol

2.jpg

    Fiberglass and plastic films are prone to sticking in summer, which can be successfully solved by treating them with a mixture of silica sol and monostearyl glycerol ester. The processing of photosensitive paper using a mixture of silica sol and photosensitive liquid can make the paper surface smooth, the image vivid, and increase the exposure range. A pre coating used for printing paper, copying paper, and offset paper, which can make the paper surface smooth, image contrast clear, and have good contrast. After the surface of kraft paper and corrugated paper is treated with silica sol, it can improve the slip resistance of the paper, reduce the sliding of the stacking layer during transportation, and improve the moisture resistance and strength of the paper. In the manufacturing of non gray copy paper, using silica sol instead of clay, talc powder, and silica powder coatings can make its color more vivid. Perforated cards used in electronic computers, coated with silica sol, can have high stability, slip resistance, and good printability.