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Standard

POTTING COMPOUND, EPOXY Bisphenol A-Type

1981-10-01
HISTORICAL
AMS3731
This specification and its supplementary detail specifications cover epoxy resin formulations based on diglycidyl ether of bisphenol A with an epoxide equivalent of 175 - 195. When property mixed and cured, these resins produce a rigid or flexible product.
Standard

Surface Treatment of Polytetrafluoroethylene (PTFE), Preparation for Bonding

1981-10-01
HISTORICAL
AMS2491C
This specification covers the engineering requirements for preparing surfaces of polytetrafluoroethylene (PTFE) for bonding and the properties resulting from the treatment. This process has been used typically for rendering surfaces of parts capable of supporting a high strength adhesive bond. The bonding preparation can affect the electrical properties of the PTFE and this should be considered before using it for treatment of electronic components.
Standard

Chloroprene (Cr) Rubber, Weather Resistant, 55-65

1981-10-01
HISTORICAL
AMS3241F
This specification covers a chloroprene (CR) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. These products have been used typically for parts, such as window channels, bumper pads, chafing strips, and seals, requiring resistance to weather and for use from -40 to +100 °C (-40 to +212 °F), but usage is not limited to such applications.
Standard

Chloroprene (Cr) Rubber, Weather Resistant, 35-45

1981-10-01
HISTORICAL
AMS3240G
This specification covers a chloroprene (CR) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. These products have been used typically for parts, such as window channels, bumper pads, chafing strips, and seals, requiring resistance to weather and for use from -40 to +100 °C (-40 to +212 °F), but usage is not limited to such applications.
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