Hylomar is a polyester polyol-based compound that turns from a gel into flexible putty within minutes of application. Originally developed by Rolls Royce, where it performed under the most stringent aerospace tolerances, ...

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Hylomar is a polyester polyol-based compound that turns from a gel into flexible putty within minutes of application. Originally developed by Rolls Royce, where it performed under the most stringent aerospace tolerances, Hylomar brings superior qualities to automotive applications. Its 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, and performs at constant temperatures up to 600 Degree Fahrenheit
  • Use Hylomar for thin gaps without a gasket or as a gasket dressing
  • Fit type: Universal Fit
  • Impervious to oil, gasoline, glycol and other engine fluids
  • Oxygen-sensor safe, seals gaps .01" or less, and performs at constant temperatures up to 600 Degree Fahrenheit
  • Use Hylomar for thin gaps without a gasket or as a gasket dressing
  • Fit type: Universal Fit

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