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Standard

Sandwich Constructions and Core Materials: General Test Methods

2023-04-21
CURRENT
AMSSTD401
This standard covers the general requirements and methods for testing sandwich core materials and for testing sandwich construction of the types used primarily in aircraft structures. This standard does not include test methods applicable only to a specific product; such test methods are included in the detailed specifications for the product.
Standard

Cloth, Aramid Intermediate Modulus

2022-10-04
CURRENT
AMS3909B
This specification and its supplementary detail specifications cover an intermediate modulus aramid yarn in the form of cloth.
Standard

Epoxy Resin, Cycloaliphatic Liquid

2022-10-04
CURRENT
AMS3705A
This specification covers an alicyclic diepoxy carboxylate prepolymer in the form of a low-viscosity liquid.
Standard

Mold Release Agent

2022-10-04
CURRENT
AMS3091C
This specification covers a mold release agent in the form of a liquid.
Standard

Adhesive, Film Form Metallic Structural Sandwich Construction

2022-10-04
CURRENT
AMSA25463
This specification covers the requirements for adhesives in film form for bonding metal facings to metal cores and to metal components of sandwich panels which are intended for use in primary and secondary structural airframe parts that may be exposed to temperatures up to 500°F (260°C).
Standard

Radome, Foam Sandwich Hot-Melt, Addition-Type Polyimide

2022-08-10
CURRENT
AMS3913B
This specification covers the material and process requirements for fabricating sandwich radomes having hot-melt, addition-reaction polyimide-resin-impregnated quartz cloth shells and polyimide-resin syntactic foam cores.
Standard

Acceptance Criteria Adhesive-Bonded Metal-Faced Sandwich Structures

2022-08-10
CURRENT
AMS3920A
This specification establishes the acceptance criteria and inspection requirements for adhesive-bonded sandwich structures including the metal-to-metal bonding found in these structures, but usage is not limited to such applications and each application should be considered individually.
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