Chemical Indicators Benefits chemical Indicators arrive in an assortment of choices and all are intended to focus on the particular data that is looked for after. From the Bowie-Dick test, (which tests a sterilizer's capacity to expel the majority of the air from the chamber) to Class 4, 5 and 6 Integrators and Emulators, compound pointers can give important data to the client and about the things being cleaned.