Paramount Tube, a division of Precision Products Group, is a leading manufacturer of spiral-wound tubes and cores for a broad range of industrial and commercial applications. Paramount Tube specializes in transformer cores. Various bow types are available to reduce collapse during transformer winding. Commonly used materials include Nomex®, Corquin® / Cequin, Vulcanized fiber (fish paper), Dielectric Kraft, polyester film, acetate. Our experience with various high temperature insulating materials and numerous tube related applications make us uniquely qualified to engineer specialized solutions to your needs.