UV_effect_on_finished_wood.jpg (760 × 287 pixels, file size: 50 KB, MIME type: image/jpeg)
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DescriptionUV effect on finished wood.jpg | 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. |
Date | |
Source | Own work |
Author | Dennis Brown |
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11 April 2013
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:32, 11 April 2013 | ![]() | 760 × 287 (50 KB) | Dennis Brown | |
12:30, 11 April 2013 | ![]() | 760 × 287 (52 KB) | Dennis Brown | {{Information |Description=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 s... |
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