Foster 30-90 Vapor-Safe Mastic | GLT Products

Foster 30-90 Vapor-Safe Mastic

Foster® 30-90™ Vapor-Safe® Coating has the water resistance and low water vapor permeance normally found in only solvent-based products. It can be used in high humidity environments, and greatly retards water vapor permeation.

Features:

  • Non-flammable in the wet state.
  • Formulated for both indoor and light duty commercial outdoor use. 
  • U.V. resistant.
  • Mild latex “paint type” odor
  • Designed for use on pipes, vessels, ducts, and equipment operating below ambient temperatures.
  • Ideal for vapor sealing ASJ, FRK, and FSK jackets and board facings at joints, laps and over staple and weld pin punctures. 
  • Excellent duct board closure sealant. Do not exceed 1/8” (3.2mm) wet film thickness.
  • Meets the requirements of Military Specification MIL-C-19565C, Type II. 
  • Conforms with current requirements regarding use in meat and poultry processing areas under federal inspection. 
  • Letter of certification is available upon request.
  • No asbestos, lead, mercury, or mercury compounds.

GLT Products is your One Source supplier for mastics supplies. For more information, please see our data sheet or contact your sales rep.

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