Temperature exposure indicator (NSN 6685-01-452-5414)
Special Features
Consists of very sensitive liquid inside specially designed ampule, behind which is a white absorbent paper; if temps go below freezing, the ampule breaks and releases the liquid, staining the paper blue; activation temp 0 degrees c; 32 degrees f; used to monitor storage/shipment of chemicals, medicines, vaccines, foods, beverages, printing inks, adhesives, paints, plastics, and photographic products
