Aktivní norma | Vydána: 01.05.2022

ASTM E1794-22a

Standard Specification for Adhesive for Bonding Foam Cored Sandwich Panels (200 ?F Elevated Humidity Service), Type II Panels (Includes all amendments and changes 5/12/2022).

Dostupné jazyky: Anglicky

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Podrobné informace

Označení: ASTM E1794-22a

Datum vydání: 01.05.2022

Stran: 3

Země: Americká technická norma

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Anotace

This specification covers two-part adhesives for bonding aluminum alloy facing to foam core, inserts, edge attachments, and other components of a Type II foam cored sandwich panels. The adhesive should be suitable for forming bonds that can withstand long-term exposure at specified temperatures, and different combinations of stress, temperature, and humidity expected to be encountered in service. The adhesive may be used for new production or depot maintenance. The adhesive shall be a two-part thermosetting epoxy paste containing no asbestos and, when tested, shall meet the following physical and mechanical property requirements: curing time, temperature, and pressure; mix ratio; storage life; adhesive life; room-, low-, and high-temperature shear; hot humidity exposure shear; and room-temperature salt spray exposure shear.

Keywords:
adhesive, elevated humidity, foam and beam,, ICS Number Code 83.180 (Adhesives)

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