About this item
Self-adhesive, nontoxic, chemical process indicators change from yellow to red upon exposure to gamma or electron beam radiation.
Labels are coated with a UV blocking agent for protection from exposure to UV light. A minimum of 15kGy (1.5Mrad) irradiation is recommended for sufficient endpoint color development. At greater dosage levels, the radiation indicators exhibit a darker shade of red. When exposed, imprinted indicators 19872-038 read “RED IS [gamma] EXPOSED.” Indicators are stable for at least 24 months from date of manufacture when they are stored between 15 to 30°C.
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