Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay FM 73 Adhesive

Solvay FM 73 Adhesive is a high-performance film adhesive in Solvay’s FM series, engineered for aerospace composite bonding. It delivers excellent toughness, thermal stability up to 177°C, low outgassing, and superior peel strength. Widely used in primary and secondary structures, it cures at 121–177°C under pressure, offering reliable performance in demanding aviation applications.
  • solvay fm 73 adhesive_75f34349
  • solvay fm 73 adhesive_75f34349

Features Of Solvay FM 73 Adhesive

  1. High-performance film adhesive formulated for elevated-temperature bonding of advanced composites.

  2. Excellent out-life stability at ambient temperature, supporting extended handling and layup flexibility.

  3. Consistent tack and drape characteristics ideal for complex contour tooling and automated tape placement.

  4. Low volatile content ensures minimal porosity and high bond integrity in autoclave-cured structures.

  5. Compatible with carbon fiber, fiberglass, and thermoset prepreg systems across aerospace and industrial platforms.

Typical Applications Of Solvay FM 73 Adhesive

  1. Aerospace primary and secondary structural bonding (e.g., stiffeners, doublers, and honeycomb core attachment).

  2. Engine nacelle and airframe component assembly requiring high thermal resistance and fatigue durability.

  3. Industrial composite tooling and mandrel bonding where dimensional stability under cure is critical.

  4. Rotorcraft and UAV structural assemblies demanding lightweight, high-strength adhesive joints.

Specifications Of Solvay FM 73 Adhesive

Chemical TypeModified epoxy-based film adhesive
Product FormDouble-sided polyester carrier film (100 µm nominal thickness)
AppearanceUniform tan-colored, flexible film with matte surface finish
Primary ApplicationsAutoclave-cured composite bonding (180°C / 356°F cure cycle)
Key FeaturesControlled flow, low exotherm, excellent green strength
Storage Conditions-18°C (0°F) or lower; stable for 12 months when unopened and properly stored
Out-Life10 days at 23°C (73°F) / 50% RH after thawing
Processing Temperature Range177–182°C (350–360°F) for full cure


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