How long will it last before the Isopropyl Alcohol evaporates?
http://www.amazon.in/Amzer-97265-Alcohol-Prep-Pad/dp/B00N2JUE8O?ie=UTF8&colid=EBHSSPSJ6PAV&coliid=I3GKV6LS481036&ref_=wl_it_dp_o_pC_nS_ttl
http://www.amazon.in/Amzer-97265-Alcohol-Prep-Pad/dp/B00N2JUE8O?ie=UTF8&colid=EBHSSPSJ6PAV&coliid=I3GKV6LS481036&ref_=wl_it_dp_o_pC_nS_ttl