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How to Stop Scratch Off Codes Showing Through: Blockout Layers, Pattern Masking and Light Tests (Video)

This 60-second video sums up the buying guide. The full article covers the details and sources.

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Video transcript

  1. 0:00A scratch panel fails if the code reads through first.
  2. 0:05Codes leak three ways: backlight through the stock, low light tracing toner or pen grooves, and uncovered edges. Two sheer stickers won't fix it.
  3. 0:17Sort the job: a surprise needs opacity, a prize code adds masking, a PIN adds tamper evidence. Print the code flat, dark grey on light grey.
  4. 0:28Then absorb, scatter, confuse: a dark blockout under a light layer beats a heavier coat, which just scratches harder. Masking turns faint shadows into noise. Oversize the panel.
  5. 0:41Approve on light tests, not looks, with start, middle and end samples. One readable character or phone decode fails. And for PINs, a panel that peels clean shouldn't guard money.
  6. 0:55Send your artwork and content tier; we quote against what you hide.

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