Emma Davis Print Production Specialist at 4OVER4.COM
Emma is our prepress and print production voice, built from the knowledge of our production team, with over 20 years in printing.
Question
What's the best paint-to-soap ratio for scratch off coating?
Answer
The classic ratio for a DIY scratch-off coating is 2 parts metallic acrylic paint to 1 part dish soap. That balance gives you a layer that lifts off cleanly with a coin but stays put through a pocket or an envelope.
- Mix ratio: 2 parts metallic acrylic paint, 1 part liquid dish soap.
- Consistency: stir until smooth with no streaks. It should look like a thin, opaque paint.
- Test first: coat a scrap card, let it dry, and scratch it to confirm it hides the message and removes cleanly.
- Adjust: too runny means add paint. Too stiff to scratch means add a touch more soap.
For a factory-clean result without the mixing, professionally printed scratch-off panels apply an even coating every time.
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