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Standard

Aerospace Standard Test Methods for Aerospace Sealants Two-Component Synthetic Rubber Compounds

2018-10-10
WIP
AS5127/1D
This SAE Aerospace Standard (AS) describes test methods to determine the application and performance properties of two-component sealing compounds. It shall be used in conjunction with AS5127 and the applicable material specification. When modifications to these test methods are called out in material specifications, the material specification shall take precedence.
Standard

Jet Reference Fluid Study for Fuel Tank Sealants

2018-05-29
WIP
AIR4275B
Standard reference fluids, or test fluids, have long been used to evaluate the effects of hydrocarbon fuels on various materials, such as integral fuel tank sealants. Standard fluids are required because hydrocarbon fuels, such as JP-4, vary widely in composition depending on crude source, refining techniques, and other factors. To ensure reliable and reproducible results when determining the fuel resistance of materials, reference fluids of known composition, using worst case fuel compositions, are used. The current Jet Reference Fluid (JRF) called out in military sealant specifications was developed in the mid-1950s specifically as a JP-4 type test fluid formulation to be used for the accelerated laboratory testing of integral fuel tank sealants. In August 1978, chalking of the polysulfide sealant in integral fuel tanks of some new aircraft at Edwards Air Force Base in California was discovered after only 1 year of service.
Standard

Aerospace Standard Test Methods for Aerospace Sealants Two-Component Synthetic Rubber Compounds

2014-10-08
CURRENT
AS5127/1C
This SAE Aerospace Standard (AS) describes test methods to determine the application and performance properties of two-component sealing compounds. It shall be used in conjunction with AS5127 and the applicable material specification. When modifications to these test methods are called out in material specifications, the material specification shall take precedence.
Standard

Solvents, Cleaning, Cleaning Prior to Application of Sealing Compounds

2014-01-10
CURRENT
AMS3166C
This specification covers cleaning solvents. These solvents are used typically for cleaning aircraft primary and secondary structural surfaces prior to application of adhesion promoters and/or sealing materials, but usage is not limited to such applications.
Standard

Fluid, Jet Reference

2013-05-29
HISTORICAL
AMS2629C
This specification covers a mixture of liquid hydrocarbons and soluble additives.
Standard

Jet Reference Fluid Study for Fuel Tank Sealants

2012-01-17
CURRENT
AIR4275A
Standard reference fluids, or test fluids, have long been used to evaluate the effects of hydrocarbon fuels on various materials, such as integral fuel tank sealants. Standard fluids are required because hydrocarbon fuels, such as JP-4, vary widely in composition depending on crude source, refining techniques, and other factors. To ensure reliable and reproducible results when determining the fuel resistance of materials, reference fluids of known composition, using worst case fuel compositions, are used. The current Jet Reference Fluid (JRF) called out in military sealant specifications was developed in the mid-1950s specifically as a JP-4 type test fluid formulation to be used for the accelerated laboratory testing of integral fuel tank sealants. In August 1978, chalking of the polysulfide sealant in integral fuel tanks of some new aircraft at Edwards Air Force Base in California was discovered after only 1 year of service.
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