- Silk screen degreasing and pretreatment are not sufficient for the surface of the substrate before printing.
2. PE surface should be treated with surface flame. If it is metal material, it must be degreasing and dust removal treatment before printing. Flat Screen Printing Machine should be dried according to the temperature required by the ink after printing. If the drying treatment is improper, it will also produce Ink film peeling failure. In addition, in order to make textiles waterproof in textile printing, silicon processing is generally required, which can also avoid poor ink adhesion.
3. Glass and ceramic items must be sintered at high temperature after Stenter printing, otherwise they will easily fall off.
4. Improper selection of ink diluent will also cause the ink and the substrate to bond weakly.