Foster 81-84 Adhesive/Sealant | GLT Products

Foster 81-84 Cellular Class and Urethane Adhesive/Sealant

Foster® 81-84™ Cellular Glass and Urethane Adhesive/Sealant is a two-component, high strength thermosetting urethane adhesive containing non-flammable solvents. It is designed to bond various types of low temperature insulation to themselves and to metal and masonry substrates. After curing, it forms a strong, yet flexible bond capable of withstanding thermal shock and mechanical impact.

Adhesive/Sealant can be used as both an attachment adhesive and joint sealant in low temperature installations using cellular glass, polystyrene, or rigid board stock polyurethane foam insulations.

It contains no asphalt and can be top coated with solvent base products without bleed-through.

No asbestos, lead, mercury, or mercury compounds. 

Suggested Use:

  • Attachment: Best
  • Joint and Fitting Fabrication: Best

Insulation Type:

  • PIR/Polyurethane/Phenolic: Best
  • Cellular Glass: Best
  • Polystyrene: Best
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