HBS-1 : Hylomar Gasket Maker (100 gram tube)
Hylomar, a polyester polyol-based compound turns from a gel into a flexible putty within minutes of application. Developed by Rolls-Royce for aerospace applications. Non-hardening formula maintains seal integrity even when subjected to thermal distortion and vibration. Impervious to oil, gasoline, glycol and other engine fluids. Oxygen-sensor safe. Seals gaps .01" or less.