This wax base lubricant is a must for all aluminum products. Unlike silicone base lubricant, Alumni-Wax will not harden, evaporate or cause plastic and nylon parts to become brittle and crack. Alumni-Wax is a clean long-lasting lubricant for operators, hinges, harness linkages, bearings, latches, balances, ball bearing rollers, lock assemblies, guides and all aluminum products for windows, doors and screens.