60% aqueous dispersion, French process. Commonly used pigment&accelerator for the vulcanization of rubber. Well-suited for use in gelled latex compounds. 50%&70% versions are available on a made to order basis. Suppliers, 60% aqueous dispersion, French process. Commonly used pigment&accelerator for the vulcanization of rubber. Well-suited for use in gelled latex compounds. 50%&70% versions are available on a made to order basis. Manufacturers.