Is there an established test method for the analysis of VOC/solids of UV coatings and inks?

Until recently the ASTM D-5403 test method was the accepted standard test method for determining the VOC content of UV/EB curing materials. Test Method D-5403A is applicable to radiation curable materials that are essentially 100% reactive but may contain traces (no more than 3%) of volatile materials as impurities or introduced by the inclusion of various additives. Test Method D-5403B is applicable to all radiation curable materials but must be used for materials that contain volatile solvents intentionally introduced to control application viscosity and which are intended to be removed from the material prior to cure. You can purchase a copy of this standard at http://www.astm.org/Standards/D5403.htm.

Recently, a RadTech ad hoc Committee developed a new test method that is particularly suited to thin films of applied wet coating (please contact RadTech for more information). This method is currently under review by ASTM.