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Image: UV effect on finished wood

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UV_effect_on_finished_wood.jpg ‎(760 × 287 pixels, file size: 50 KB, MIME type: image/jpeg)

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 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.
Title: UV effect on finished wood
Credit: Own work
Author: Dennis Brown
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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