Cofill® 11

Cofill® 11 by Evonik acts as a filler and adhesion promoter. It is a mixture of 50% resorcinol and 50% of silica. Suitable for steel-belted radial tires, all-steel truck tires, conveyor belts, transmission belts, hoses and rubberised fabrics. Used in combination with a formaldehyde donor (Hexa K) and fine particle size silica.