Product Description

SIMALFA 321-FR is a one-part water based adhesive designed specifically for the aerospace industry where specialty flame retardant products are required. This adhesive is engineered to meet the requirements of FAA - 14 CFR 25.853 (a) appendix F Part 1, (a)(1)(ii). SIMALFA 321 is a very fast drying one-part water based adhesive that can be used in a wide variety of applications where one of the materials is non-porous. Simalfa 321 is commonly used where foams and other porous materials are bonded to non-porous substrates such as non-woven fabric, metal, wood, or plastic.

Key Properties

  • Excellent bonding to non-porous materials
  • Very-Fast drying
  • High yield
  • Instant bond
  • Fast processing
  • One-sided application
  • Repositionability
  • High temperature resistance
  • Soft bond line
  • Solvent free

Primary Industries

Transportation | Aerospace

Primary Substrates

Used in a variety of applications that include the bonding of various foams, fabric, polyester fiber, cotton fiber, wood, plastic, cardboard, jute, rubber, leather, vinyl, non-wovens, and other porous materials.

Ways to Apply

Manual Brush or Roll
Manual + Automatic Spray
Automatic Roll Coater

Technical Data Sheet + Safety Data Sheet

Please refer to the Safety Data Sheet and Product Label for Health and Safety Information before using Simalfa.

Technical Data & SDS | English + Spanish Versions