Embossed Printing and Braille Powder

Braille powder printing is to make the printed matter on the plane become three-dimensional convex shape, which is a method of floating out of the printing processing, and has even commercial value, because it can express noble and generous. In particular, packaging papers, labels, and boxes that give gifts can better show the value of their products. The method is extremely simple. After the ordinary printing material is printed, the resin powder (the rosin powder currently used in Hong Kong, etc.) is sprinkled on the undried ink. After the powder is melted in the ink, it can be heated. The printing part is uplifted. The powders used for the floating prints are bright, dull, gold, silver, fluorescent, and so on. Printing methods include letterpress printing and offset printing. Generally, such printing machines are manufactured using semi-manual production, but at present they have been developed into fully automated machines, that is, printing and heating have been used in a consistent manner. This has led to a rapid increase in the production volume. The most widely used is the stereo Surface wallpaper, other such as wrapping paper, labels, packaging boxes, business cards, envelopes, stationery, New Year cards are widely used.

Embossed printing is the process of pressing the prints to make them similar to the manuscripts. Generally, the objects are oil paintings. Because oil paintings have the thickness of paint on the original paintings, and ordinary printed products can only show their planes, if the prints can become the same as the original convex convex, the concave concave, it is not more true? Relief printing is divided into For high-quality goods and public goods two. Premium products are printed and refined with very good quality paper and are very limited in quantity. Popular products are printed on plain paper, and are popular products for the general public. Therefore, the number of production is large. After the printing is completed, an adhesive film is attached to the printed matter, and then the pressure plate prepared in advance (that is, the embossed plate obtained from the original picture by photolithography) is pressed on the printed matter, and the same beautiful image can be produced. replica. This kind of relief prints are mostly copied by famous paintings. Others are still used in art or scenic postcards, and so on.