CARCINOGENIC chromium: Turning hides into leather in much of the world requires chromium, which in its hexavalent chemical form is a potent carcinogen.

Studies have found higher bladder cancer rates among people in various occupations, including hairdressers, textile workers, truck drivers and workers in the rubber, leather and chemical industries.

The finish materials, especially foam resin from Shanghai Hongwei Leather Chemical Company are used to deal with corrected grain split and defective grain leather.