• All Molding Processes
  • Water-based Mold Release Agent


  • Fluoroelastomers
  • ECO
  • HNBR
  • CPE
  • FKM
  • SBR
  • Sulfur and Peroxide Cured Compounds


  • Water Based
  • Chemically inert
  • Environmentally Friendly
  • Multiple Release Cycles Per Application
  • No Transfer
  • Operator Friendly
  • Thermally Stable

McLube 1779 - Concentrated Release Agent


McLube 1779 is a water-based dispersion of PTFE designed for hard-to-release compounds such as FKM. This product is supplied as a concentrate.

Technical Data:

  • Color and appearance - Thick, white fluid dispersion
  • Dispersing medium - Water
  • Specific gravity - 1.0
  • Weight per gallon (lbs.) - 8.5

Application Method:

    This product requires dilution before use; 1-part product to 2-parts water is recommended. Mix the product prior to dilution and mix the diluted product periodically during application. Apply the product to a dry surface free of oily residues and other release coatings. The product may be wiped, brushed or sprayed onto the mold surface. Apply to a hot mold to facilitate evaporation for best results.

Safety and Handling:

    Review the Safety Data Sheet prior to use. The solid active ingredients in McLube 1779 are essentially nontoxic but temperatures above 550°F may result in harmful fumes. Smoking should not be permitted while using the product and contamination of tobacco products with McLube 1779 should be avoided. Do not allow the product to freeze; if the product freezes, it will require mechanical agitation to be restored.


1G, 5-gallon pail, 55-gallon drum, 275-gallon tote


For expert technical assistance in selecting the optimum product to meet your specific requirements and to be convinced of the benefits of McLube lubricant coatings, we recommend you evaluate the appropriate product under your specific conditions. Samples and technical assistance are available, as well as custom formulations that suggest themselves for a specific application.