BUTYL Also: chlorobutyl --Synthetic rubber. Color: black
  • Good gasket material due to excellent weathering and sunlight resistance.
  • Available in a range of hardness: 30 to 60 durometer
  • Available in FDA-approved grade (off white color).
  • Specific gravity is 1.11, 10% more than water. Temp: -30o F to 300o F.
  • TYPICAL USES: Usually found in outdoor applications where extreme weathering and exposure occur.