HEAT DECAL PRINTING WITH SCREEN INK AND POWDER GLUE
Heat decal printing with screen ink and powder glue.
Ink used for printing
WATER BASE INK: RUBBER 680 SERIES
SOLVENT BASE INK: SK-108 SERIES, SILICONE INK, PLASTISOL
Printing process
- Heat the decal paper or the plastic sheet used for the printing of the heat decal. Polyester sheet (PET) or the trade name is called Myla sheet. To print the heat decal.
- Screen printing ink on the heat decal sheet The side that is specified to be printed. By using screen cloth that has a resolution suitable for the pattern And the printed pattern on the mold must be turned upside down, such as the letter R when placed on the mold must be Я
- When the pattern is printed in all colors Use colorless ink (MEDIUM) or water-based ink, BINDER and plasticizer called BASE. By using fabric mold No. 27-40 mez / cm (70-100 mez / inch). In some cases, the white of the same model ink may be used.
- To use powder glue, do the following methods.
- After printing MEDIUM, BINDER or WHITE, immediately sprinkle HOT FIX on the glue while the ink is still dry. After that, allow the ink to dry at room temperature or use heat to bake at 40-50 ° C for approximately 20 minutes (can adjust the temperature and time to more Or less by looking at the drying), the ink will dry, freeze Causing the glue powder to adhere to the ink Next step, tap this heat decal sheet to knock or brush with a soft bristle brush. So that the glue that is not attached to the ink comes off and can be reused.
- In case of not using the powder method Mix glue powder in MEDIUM, BINDER, or WHITE (white) at a ratio of approximately 20% of the weight. And using fabric mold no. 27 - 40 mez / cm (70-100 mez / inch) to print over all patterns After the glue has been applied, the printed matter must be dry so the ink and glue will dry. The chemical in the ink must be as complete as possible before being ironed on the workpiece, which must be left for 24 hours before being ironed.
- After printing MEDIUM, BINDER or WHITE, immediately sprinkle HOT FIX on the glue while the ink is still dry. After that, allow the ink to dry at room temperature or use heat to bake at 40-50 ° C for approximately 20 minutes (can adjust the temperature and time to more Or less by looking at the drying), the ink will dry, freeze Causing the glue powder to adhere to the ink Next step, tap this heat decal sheet to knock or brush with a soft bristle brush. So that the glue that is not attached to the ink comes off and can be reused.
- Place the printed heat decal face down on the workpiece in the correct position and use heat 130-150 ° C for 15-30 seconds (the temperature and time can be adjusted as appropriate for the workpiece. ) Iron the printed pattern on the workpiece Before peeling off the heat sheet or decal, it must be placed to heat the decal sheet every time before peeling off.
