5/16 Round Silicone Cord, no adhesive. Use silicone gasket in flood coolant environments.Closed cell Gasketing for grid gasketing.Gasketing described as Inboard and Above Board has pressure sensitive adhesive on one side. Grid and round gasket DOES NOT have adhesive. The recommended service temperature for this gasket is 50 to 110 F. We offer same day shipping on stock items. Call us today!