Bondo Cream Hardener 2.75 oz

Bondo All-Purpose Cream Hardener mixes with 2-part fillers, putties and glazes to create high-quality, long-lasting repairs. When filler and new blue color hardener are mixed, a chemical reaction occurs to create a mixture that will deliver a strong, lasting repair. Our hardener is smooth and easy to mix with fillers, putties and glazes.