PM-4700 is a water-soluble fluoride, for all types of leather, fiber, cloth, can give clothing, shoe and furniture fabrics excellent and durable water, oil, anti-staining properties. PM-4700 can greatly improve the leather, fiber, fabric and other materials, dynamic water repellency. Whether the same batch or in different batches of leather, fibers, cloth and other materials, PM-4700, after processing, are able to obtain an excellent and uniform characteristics. But it does not change the permeability of the leather. 3M PM-4700 PM-4700 water-based waterproofing agent is a water-soluble fluoride, for all types of leather, fiber, cloth, can give clothing, shoe and furniture fabrics excellent and durable water, oil, anti- staining characteristics. PM-4700 can greatly improve the leather, fiber, fabric and other materials, dynamic water repellency. Whether the same batch or in different batches of leather, fibers, cloth and other materials, PM-4700, after processing, are able to obtain an excellent and uniform characteristics. But it does not change the permeability of the leather. PM-4700 is an anionic product, you can then retanning, dyeing stage, setting process phase. For example: in the dyeing of leather or greasing process; fiber and fabric dyeing process or stereotypes.