Precautions when using water-based printing materialsIssuing time:2023-08-21 16:24 1: Choose correct and appropriate printing materials according to different materials or different requirements. For example: when printing on ordinary cotton or blended fabrics, it is best to use ordinary elastic glue or transparent glue; when printing on nylon cloth or denim, you should use nylon glue or transparent glue; if special treatment is required, Use waterproof nylon glue or clear glue. 2: Before using glue for printing, if the glue has been left for too long, it should be diluted with water (the amount of water used should not exceed 5%). Then filter it with 180 mesh mesh before printing, so that you can get a softer and smoother effect. Three: When printing, it is best to use a screen plate of 80-120 mesh, and keep the screen distance at 3mm-5mm for suspended printing. Four: If the printed pattern is found to be too hard, you can add 3%-5% water-based softener to the glue for printing or use other more suitable water-based slurries. It is best to heat the printed matter at 150 degrees for 2-3 minutes after natural drying for 24 hours, so as to obtain better firmness. Five: When using glue printing, pay attention to the ratio of white glue to transparent glue. Generally, when printing on light-colored fabrics, the ratio of white glue to transparent glue is 2:8 or 1:9; if printing on dark-colored fabrics, the ratio should be adjusted to 4:6 or 3:7, but attention must be paid to back-adhesion. . Six: If the printed matter needs to be resistant to washing or other special treatment, you can add an appropriate amount of fixing agent for printing, wait for it to dry naturally for 24 hours, bake it at 150 degrees for 2-3 minutes, and then test its firmness. Seven: When using glue printing, if the printed pattern is not bright enough, in addition to appropriately adjusting the ratio of white glue to transparent glue, you can also cover the printed pattern with a layer of transparent glue or glossy glue. 8: The variety of special printing materials is relatively rich, involving all aspects of textile printing processing, such as:. Cracked pulp, cracked pulp, cracked pulp, self-cracked pulp, release print pulp: knitted fabric, denim (white and color release) smelling pulp, hair pulp, various foaming pulps (such as suede foaming, etc.), Denim coating and more. |