High Quality Discharge Ink for Screen Printing - China Suppliers & Factory for Textile Printing
Product Peculiarity
Bright Colors
Discharge inks can achieve bright color effects on dark fabrics, especially for printing on black or dark cotton fabrics.
Soft Feel
The printed pattern feels soft, consistent with the natural feel of the fabric itself.
Environmental Protection
Water-based formulations are usually used, which are significantly more environmentally friendly than solvent-based inks.
Durability
The printed pattern provides high washable resistance and superior wear resistance over time.
Advantages and Limitations
Advantages
- Achieve a bright pattern effect on dark fabrics.
- The printed pattern feels soft to the touch.
- Good environmental protection profile with water-based formulation.
Limitations
- Suitable for a limited range of fabrics, mainly suitable for cotton fabrics.
- The printing process is more complex and requires certain technical experience and equipment.
- Some colors, such as pure black or vivid red, can be difficult to achieve.
- Through the reasonable selection and use of discharge ink, the effect and quality of screen printing on dark fabrics can be significantly improved.
Product Details
Printing Process
Design and Plate Making
First design the pattern and transfer it to the screen plate. Screen printing plates need to be coated with a photographic emulsion, and through exposure to harden the emulsion to form a pattern. The part of the emulsion that is not hardened will allow the ink to pass through, thus forming a pattern on the fabric.
Ink Preparation
Discharge ink needs to be mixed with activator and pigment. When the mixed ink is ready, it is ready for printing.
Printing
Placing the screen plate on the fabric, the ink is evenly scraped across the screen, and the ink is transferred to the fabric through the open part of the screen.
Curing
After printing is complete, the fabric needs to be heated to activate the bleach in the ink and complete the discharge process. After curing, the color of the pattern on the fabric is revealed, and the remaining ink and chemicals are finally removed by washing.
Suitable Fabric
- Cotton fabrics: Discharge inks are best used on cotton fabrics, especially dark cotton fabrics.
- Other fabrics: While cotton works best, it can also be used on other natural fiber fabrics, though the results may vary.
- Not suitable for fabrics: Synthetic fibers (such as polyester, nylon) are usually not suitable for discharge processes because their dyes cannot be removed.
Environmental Factors and Safety
Environmentally friendly: Discharge inks usually use water-based formulations that have less impact on the environment.
Frequently Asked Questions (FAQ)
How does discharge ink work on dark garments?
Discharge ink works by removing the original reactive dye from the fabric fibers upon heat activation and replacing it with the chosen pigment color, leaving a vivid, breathable finish.
Why is 100% cotton recommended for discharge printing?
Discharge chemistry relies on discharging reactive dyes typically used in 100% natural cotton fibers. Synthetic fibers such as polyester cannot have their color discharged through this process.
What makes the hand-feel of discharge prints different from plastisol?
Unlike plastisol ink which forms a heavy plastic film layer on top of the fabric, discharge ink re-dyes the yarn itself, maintaining the natural softness and breathability of the textile.
Is curing necessary after discharge printing?
Yes, heat curing is essential to activate the discharging agent and evaporate the water carrier. Adequate ventilation during heat activation is also required.
Are discharge ink prints durable after repeated washing?
Yes. Because the pigment becomes integrated into the garment fibers rather than sitting on the surface, discharge prints exhibit excellent wash-fastness and wear resistance.
Is discharge printing environmentally safe?
Modern discharge inks utilize water-based formulations that are free of harsh solvents and heavy PVC/phthalates, making them significantly more eco-friendly when handled and washed properly.
Industry specific attributes
Material |
100% Polyester |
Weave Type |
Plain |
Elasticity |
low |
Printing |
Polyester Screen Printing |
Monofilament Style |
Yes |
Product Name |
Polyester Silk Screen Printing Mesh |
Color |
White Yellow |
Length |
50m/roll |
Application |
Screen Printing Industry |
Thickness |
46-693um Printing Mesh |
Roll width |
60-368cm |
Feature |
Heat Resistance |
Aperture |
31-1300micron |
Packaging Details
