Nil-Cor is the worlds largest supplier of High Technology industrial valves made from strong, light weight composite materials. Our graphite and fiberglass reinforced thermoset and thermoplastic resins are resistant to ac......Nil-Cor is the worlds largest supplier of High Technology industrial valves made from strong, light weight composite materials. Our graphite and fiberglass reinforced thermoset and thermoplastic resins are resistant to acids, caustics, bleaches and more than one thousand other industrial and waste treatment chemicals, at half the cost of traditional alloy valves. So, if you need strong, corrosion-resistant valves that are easy to own, easy to install and easy to operate, youve come to the right place. After you visit our site, let us hear from you! Click on "Contact Us" in the menu on the below. Your suggestions will help us make this site more informative and more responsive to the needs of the industries we serve.