when heated above it 39 s melting point possible activator solvents include but are not limited to trimethyl citrate and glycerol tribenzoate a solid oxalate solution made up of an appropriate amount of an oxalate e g bis 2 4 5 trichlorophenyl carbopentoxy oxalate about 8 32 depending on solvent and a fluorescent dye about 0 1 to 0 5 depending on solvent chosen from but not limited to the anthracene pentacene napthacene napthalene or perylene dicarboximide families and a solvent that is liquid at room temperature capable of solvating the two prior components and been rendered u201c solid u201d by mixing into the solvent sufficient polyvinyl chloride to make the combination a dry powder possible oxalate solvents include but are not limited to dibutyl phthalate butyl benzoate and ethyl hexyl diphenyl phosphate a liquid activator solution made up of hydrogen peroxide about 1 8 real t butanol about 9 20 a catalyst such as sodium salicylate and a solvent that is liquid at room temperature capable of solvating the other ingredients possible activator solvents include but are not limited to dimethyl phthalate triethyl citrate and ethylene glycol dibenzoate all patents and publications mentioned in this specification are indicative of the levels of those skilled in the art to which the invention pertains all patents and publications are herein incorporated by reference to the same extent as if each individual publication.