Screen printing UV ink problems and solutions

Screen printing UV ink problems and solutions

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1. After printing, there are bubbles in the printed product.

In the UV ink, you can't add additives and mismatched diluents. If this happens during normal use, please contact the manufacturer for assistance.

2. screen printing substrate

If the viscosity is too large, please fill in the matching diluent.

Increase the distance between the print and the screen.

3. The printed matter is sticky or not cured after curing

Check if the circuit is a problem.

Extend the curing time.

Increase the power of the lamp

4. Insufficient adhesion of ink film after curing

Choose the ink you want to fit the print.

Whether the surface of the substrate needs to be treated.

5. after the curing of the ink film is brittle

Whether the ink film is too thick.

Choose the ink you want to fit the print.

6. the print has a pattern defect

The cleaning of the screen should be thorough to prevent the downtime from being too long and the light to cure.

Check if the production of the screen is defective.

7. the ink film hiding power is insufficient or too much

Adjust the angle of the squeegee and the pressure on the screen.

Replace the scraper of the appropriate hardness.

8. The lines are blurred when printing small text or fine patterns.

Replace the scraper of the appropriate hardness.

9. the appearance of the net.

Appropriately add matching diluent to reduce viscosity.

10. the old version

The diluent is added too much and the viscosity is too small.

The mesh is not suitable.

Note: In addition to the problem, there are some problems with the same coatings, such as curing problems, adhesion problems, bubble problems. Solution Refer to the solution for the coating product.