Permatex 80645 Low VOC Gasket Remover, 4 oz. Universal Built-in brush-tip designed for easy application, allows for scrubbing on intricate surfaces Fast-foaming action penetrates the most stubborn or baked-on gaskets in 15-20 minutes Removes solvent-based gasketing, anaerobic gasketing and gasket sealant products Not recommended for use on silicone gaskets Low VOC formula