The principle of leather screen transfer printing
The principle of leather screen transfer printing, according to the different transfer methods, leather transfer printing can be divided into two ways, one is the need for screen printing transfer printing; the other is the need for screen printing transfer printing.
The basic principle of the silk screen transfer printing of leather is that in the production process of leather screen transfer printing, the concept and technology of the pattern design should be perfectly embodied in the leather product.
The first step in the transfer printing is to make the desired negative print of the pattern, transfer the flower pattern on the negative film to the screen printing plate, and print the pattern on the surface of the leather with a screen printing plate. The ink used for screen printing is a white transfer ink having an adhesive effect (which is essentially an adhesive).
In the second step, the side of the transfer film having the flower-shaped color pattern is laid flat on the leather surface toward the leather surface, and then subjected to hot pressing, and the transfer ink on the leather surface will have a color pattern on the transfer film. The place is firmly bonded to the leather surface, and there is no transfer ink (ie, transfer rubber) on the leather surface, because the color of the transfer film does not adhere to the leather surface, when the transfer film is When the film is removed, the coloring material that does not adhere to the leather surface is removed together with the transfer film and is separated from the surface of the leather.
In this way, the color material on the transfer film is transferred to the surface of the line having the screen printing pattern to form a colored print pattern.
What is a nonwoven filter fabric?
Non woven filter media is also called polyester fabric, commonly known as Non Woven Fabric. Non woven filter media is a typical filter material of primary filter, middle filter and bag filter. The production process of non woven filter media is made of meltblown, needling, spunlace, spunbond and other processes through multiple processes. Compared with other filter materials of the same level, it has stable quality, large dust holding capacity, strong moisture resistance, long service life, economical and durable.
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