Keystone - Polypropylene Filament Brochure

Keystone’s line of polypropylene filament is top quality and versatile for a wide variety of applications. It has excellent wet stiffness, flex fatigue resistance and good bend recovery. POLYPRO and KEYKORN are inert to most solvents, oils and chemicals and are especially good at resisting acids and bases. Polypropylene offers a 50% better yield than PVC. It has limited natural sunlight resistance, which may be greatly improved by the addition of black color. Put our 50-year tradition of innovation, quality, and service excellence to work for all your brush applications.