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Standard

Cloths, Cleaning, for Aircraft Primary and Secondary Structural Surfaces

1987-07-01
HISTORICAL
AMS3819
This specification covers both woven and nonwoven absorbent materials supplied in the form of cloths. Primarily for use in cleaning smooth or textured, metallic and nonmetallic surfaces preparatory to processing operations which are sensitive to residual surface contamination. Cloths are not intended for use on transparencies. Cloths covered by this specification are classified as follows: Type 1 - Virgin cloth, composed of 100% cotton fibers; Type 2 - Virgin cloth, composed of 100% synthetic or blended synthetic/natural fibers; Grade A - for use in cleaning operations where residual surface contamination levels are exceptionally critical; and Grade B - for use in cleaning operations where low residual surface contamination levels are required. Grade A cloths may be substituted for Grade B at any time for processing operations. Unless a specific type of cloth is specified by purchaser, either type may be supplied.purchaser, either type may be supplied.
Standard

Fluid, Jet Reference

2014-01-10
HISTORICAL
AMS2629D
This specification covers a mixture of liquid hydrocarbons and soluble additives.
Standard

Fluid, Jet Reference

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

Fluid, Jet Reference

2017-02-08
CURRENT
AMS2629E
This specification covers a mixture of liquid hydrocarbons and soluble additives.
Standard

JET REFERENCE FLUID STUDY FOR FUEL TANK SEALANTS

1991-04-01
HISTORICAL
AIR4275
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

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

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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