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7 συνήθη προβλήματα με το μελάνι Plastisol εκτύπωσης οθόνης (και πώς να τα διορθώσετε γρήγορα)
Plastisol ink is a thick, colorful ink used to print designs on t-shirts, hats, and other fabrics. But sometimes, things go wrong. This guide will help you fix common plastisol ink problems fast. No confusing words—just simple fixes!
1. Ink Not Sticking to Fabric
Why It Happens
- Θερμοκρασία σκλήρυνσης is too low (ink needs heat to stick).
- Fabric has dirt or oils.
- Cheap ink is used.
How to Fix It
- Check the temperature with a thermocouple (like a special thermometer).
- Good temperature: 320°F (160°C) for 30 seconds.
- Clean fabric with a CCI Chemicals spray before printing.
- Χρησιμοποιήστε αξιόπιστες μάρκες όπως Wilflex ή Rutland μελάνι.
Quick Tip
Fabric Type Best Temperature
Cotton 320°F (160°C)
Polyester 300°F (149°C)
2. Pinholes or Fisheyes (Tiny Holes in Prints)
Why It Happens
- Dust on the οθόνη.
- Static electricity (like when clothes stick together).
- Wrong πλέγμα οθόνης (holes too big).
How to Fix It
- Clean screens με Ecotex® emulsion remover.
- Spray antistatic spray on the fabric.
- Χρήση Sefar 110–160 mesh screens.
Μελέτη περίπτωσης
- Kiwo Squeegees found that antistatic sprays cut pinholes by 40%.
3. Ink Bleeding or Smudging
Why It Happens
- Too much squeegee pressure.
- Over-flashing (too much heat between prints).
How to Fix It
- Lower squeegee angle to 15–20 degrees.
- Χρησιμοποιήστε α Xenon flash cure unit to control heat.
Quick Fix Table
Problem Fix
Bleeding colors Use FN-INK Quick Cure
Smudged designs Lower squeegee pressure
4. Tacky or Sticky Prints
Why It Happens
- Ink is υπο-θεραπευμένο (not heated enough).
- Χρησιμοποιώντας phthalate-based plastisol (bad chemicals).
How to Fix It
- Check curing with M&R PrintDry sensors.
- Switch to Green Galaxy® ink (no bad chemicals).
Γεγονός
- 65% of shops using phthalate-free ink had fewer sticky prints.
5. Ghosting (Double Images)
Why It Happens
- Screen tension too loose.
- Wrong σκληρότητα μάκτρου.
How to Fix It
- Χρησιμοποιήστε α tension meter (aim for 25–30 N/cm²).
- Δοκιμή Murakami 70–90 durometer squeegees.
Μελέτη περίπτωσης
- Switching to 85-durometer squeegees fixed ghosting 80% of the time.
6. Ink Clogging the Screen
Why It Happens
- Ink dries too fast.
- Room is too hot.
How to Fix It
- Προσθέτω Union Ink Additives to slow drying.
- Work in a cool room (72°F/22°C).
Γεγονός
- 40% of clogs happen in rooms hotter than 80°F (27°C).
7. Faded Colors
Why It Happens
- Not enough ink layers.
- Ink not mixed well.
How to Fix It
- Add a white underbase layer first.
- Mix ink with a Ryonet Mixer.
Quick Tip
Problem Fix
Faded red Use 2 layers of ink
Dull colors Stir ink for 5 minutes
Pro Tips to Avoid Problems
- Χρήση RIP software for perfect color designs.
- Store ink in airtight containers.
- Test prints with ASTM D4361 wash tests.
Cost Saver
- Fixing errors early saves $1,200/month!
Συχνές ερωτήσεις
Can I mix plastisol with water-based ink?
No! They don’t work together. Use Matsui water-based ink separately.
How long does plastisol ink last?
6–12 months if stored cool. Rutland ink lasts longest.
Συμπέρασμα
Follow these steps to fix plastisol ink problems fast. Check temperatures, clean screens, and use the right tools.
