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| All Metal Digits are not the same |
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| What to look for: |
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What to avoid: |
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1. Digits
that pass QUV testing. Screened printed digits outlast those that
are hot stamped. Electromark’s digits are subject to over 20,000
hours of QUV testing. |
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2.
Digits that chaulk or crack, when exposed to
UV. |
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3. Digits
that have a coating on the back. The back of the digit should be protected
against corrosion and salt water with paint. |
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4. Embossing
depth too deep. Bevel angle should also not be too steep. In both
cases, paint on bevel is put under stress and can scratch off. The
resulting seam of bare metal provides an entry point for corrosive
attack |
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5. Digits
that have a protective overcoat. Overcoating provides increased acid
and solvent resistance. |
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6. Digits
that do not have an overcoat, or an overcoat that cracks. Too many
overcoats have poor adhesion and will crack off when digit is bent.
The overcoating on this competitive product chips off and shows bare
metal. |
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7. Digits
that are aligned properly and all use consistent typography. Digits
fit easily into all competitive holders. |
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8. Digits
that mismatch printing and embossing. Printing should line up with
embossed outline. Competitive digits show a high percentage of misaligned
parts, some with uneven and crusted ink deposits. |
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9. Digits
that do not pit. High quality, domestic aluminum avoids the pitting
that can occur when the digit is exposed to acid rain. Digits should
be made from 16 mils thick aluminum. |
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10.
Digits that are made from aluminum that pits
or chaulks. Competitive digits show extensive pitting after exposure
to acid. |
