File:UV effect on finished wood.jpg
Summary
A 1" x 3" x 7" pine board, finished with a UV cure resin (not sanded), then exposed to various time exposures of UVA (primarily 370nm +/-10nm, less than 3% UVB at 312-315nm). Left side was exposed 43 hours, center band was shielded and received no UVA except to cure the finish, the right side was exposed for 20 hours. Exposure done with 4 SunMaster Curall UV resin curing lamp (F32T8 reflector lamp powered at 50 watts. Total UV at surface (as measured with a UVA/B meter) was approximately 15 mW/cm2 for the duration of the tests. Demonstrates the effects of ultraviolet on finished wood surfaces.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:49, 4 January 2017 | | 760 × 287 (50 KB) | 127.0.0.1 (talk) | <p>A 1" x 3" x 7" pine board, finished with a UV cure resin (not sanded), then exposed to various time exposures of UVA (primarily 370nm +/-10nm, less than 3% UVB at 312-315nm). Left side was exposed 43 hours, center band was shielded and received no UVA except to cure the finish, the right side was exposed for 20 hours. Exposure done with 4 SunMaster Curall UV resin curing lamp (F32T8 reflector lamp powered at 50 watts. Total UV at surface (as measured with a UVA/B meter) was approximately 15 mW/cm2 for the duration of the tests. Demonstrates the effects of ultraviolet on finished wood surfaces. </p> |
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