AMS3970/2B Carbon Fiber Fabric Repair Prepreg, 120 °C (250 °F) Vacuum Curing, Part 2 - Qualification Program for Fiber, Fabric, Carbon Prepreg, Film Adhesive, and Non-Structural Glass Prepreg
Revised
7/13/2026
- Content
- AMS3970/2B gives specific information about the qualification program for carbon fiber fabric reinforced epoxy structural repair prepreg systems, curing under vacuum at 120 °C (250 °F), and a companion non-structural glass fabric prepreg used for repair of carbon fiber reinforced epoxy structures. The prepreg system shall include an epoxy film adhesive to be applied in a co-curing process with the prepreg for joint solid laminate and sandwich bonding.
- Citation
- SAE International Material Specification, Carbon Fiber Fabric Repair Prepreg, 120 °C (250 °F) Vacuum Curing, Part 2 - Qualification Program for Fiber, Fabric, Carbon Prepreg, Film Adhesive, and Non-Structural Glass Prepreg, SAE Standard AMS3970/2B, Revised July 2026, Reaffirmed December 2016, Issued December 1999, .