SPI coating productsMidwesco Filter is an authorized distributor of SPI coating products for industrial insulation, fire and corrosion control, including: HPC™ Coating, Rust Grip®, and more. According to the company, the products are characterized by:

Rust Grip®

  • A patented one-part moisture-cure polyurethane enamel product.
  • Requires minimal surface preparation and performs as both primer and topcoat.
  • Upon a full cure term of 30 days, Rust Grip® hardens to 12,000 psi surface tensile strength with very low permeability.


  • A light-density ceramic thermal barrier insulation coating, designed to stop conductive heat transfer.
  • Water-borne ceramic-based flexible membrane coating, used in high-temperature applications up to 700°F.

PTXi Booth #2502