A TWO-PART SEALING COMPOSITION; ONE PART COMPRISING 100 PARTS OF CROSS-LINKING ELASTOMER, 50-200 PARTS OF AN OIL INCORPORATED THEREIN IN THE FORM OF A GEL, 3003,000 PARTS OF INERT FILLER, 2-8 PARTS OF ANTI-OXIDANT, AND 0.5-30 PARTS OF A CURATIVE SYSTEM FOR SAID ELASTOMER; THE SECOND PART COMPRISING 100 PARTS OF CROSS-LINKING ELASTOMER, 50-200 PARTS OF AN OIL INCORPORATED THEREIN IN THE FORM OF A GEL, 300-3,000 PARTS OF INERT FILLER, 2-8 PARTS OF ANTI-OXIDANT, AND 1.5-30 PARTS OF A ROOM TEMPERATURE ACCELERATOR. THE SEALING COMPOSITION MAY BE ADMIXED PRIOR TO USE. THE INVENTION ALSO INCLUDES A METHOD OF COMPOUNDING OIL WITH AN ELASTOMER COMPRISING PROVIDING THE OIL IN THE FORM OF A GEL AND THEN COMPOUNDING SAID GEL WITH SAID ELASTOMER.