VersaFlex LC-25 Lock Coat is a solvent borne Fluoroelastomer, offering outstanding chemical, temperature and permeation resistance. LC-25 is designed to be used as a lock coat after the application of VersaFlex Fast Set Spray materials. LC-25 provides superior adhesion for the VT-40 Finish Coat. LC-25 is a medium viscosity solvent borne coating suitable for most service environments.

VersaFlex LC-25 may be used with all VersaFlex rapid curing polyurea sealants and spray coatings systems. LC-25 is designed for use in severe duty environments subject to chemical and heat exposures.

  • Continuous Operating Temperature from -40°F to +400°F
  • Excellent Resistance to Most Harsh Chemical Environments
  • 500% Elongation
  • Very Low Coating Permeability
  • Will Not Harden or Become Brittle
  • Will Not Shrink After Cure
  • Excellent Weather & UV Resistance
% SolidsShore A HardnessTensile Strength, psiTensile Elongation, %Taber Abrasion, mg wt lossMoisture Vapor Transmission, permsBond Strength, psiViscosity, cpsColorService Temp, °FWorking TimeFull Cure, Open to Use
25451800500.011†0.0042> 200< 700Black-40° - 400°30 - 45 minutes7 days

Abrasion loss: Tested at (1000 g, 1000 revs) *CS-17 / ¹H-18 / †H-22