Nylon and polyester are the two main materials for bag printing. Although the printing of polyester material is not widely used. In actual screen printing, more parameters need to be controlled. The actual printing is relatively simple.
In the actual use of screen printing, nylon mesh printing screen and polyester screen. According to the actual investigation, it is found that more nylon printing meshs are currently used.
Due to its dimensional stability, polyester screen printing screens are very suitable for printing jobs requiring high
register accuracy, such as printed circuit boards. The disadvantages of nylon mesh printing screens are elongation and poor tension retention. After a period of use, the tension of the screen will weaken, and the screen will be loosened, and the printing accuracy will be reduced. Therefore, the nylon mesh printing mesh is not suitable for printed circuit boards and other fine products.
Bag printing is a wet printing process, and certain absorption of moisture must be considered. Nylon materials absorb up to 5% of moisture, while polyester meshes stretch 19% to 23% before breaking.
The correct high-quality printing mesh is very important for the printing effect of products in their own industry. Directly, it will affect the effect of your product. If you do not know how to choose, please contact us.
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