Common Problems & Solutions for Silicone Screen Printing Ink
1. Poor adhesion (ink peels off easily)
- Causes:
- Not silicone‑specific ink
- Surface contaminated with oil/dust
- Curing temperature/time insufficient
- Solutions:
- Use silicone‑dedicated ink
- Clean surface before printing
- Increase curing temperature or time
2. Ink cracks when stretched
- Causes:
- Ink film too thick
- Wrong ink type (not stretchable)
- Incomplete curing
- Solutions:
- Print thinner layers
- Use high‑elasticity silicone ink
- Ensure full curing
3. Slow drying / sticky surface
- Causes:
- Ink too thick
- Poor ventilation
- Low temperature
- Solutions:
- Dilute properly with special thinner
- Improve ventilation
- Extend drying/curing time
4. Pinholes & rough surface
- Causes:
- Bubbles in ink
- Dirty screen
- Poor leveling
- Solutions:
- Use defoamer, stir slowly
- Clean screen
- Add leveling agent
5. Ink not smooth / difficult to print
- Causes:
- Ink too viscous
- Wrong thinner
- Solutions:
- Dilute with silicone‑specific thinner
- Adjust viscosity to suitable level
6. Color deviation / fading
- Causes:
- Incomplete curing
- Over‑dilution
- Solutions:
- Follow recommended curing conditions
- Do not over‑dilute
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