(R) Sealing Compound, Fuel Resistant, Integral Fuel Tanks and Fuel Cell Cavities
|Publication Date:||1 February 2019|
This specification covers fuel-resistant, two-component polysulfide synthetic rubber compounds which cure at room temperature.
This sealing compound has been used typically for sealing and repairing integral fuel tanks, cabin pressure sealing, and aerodynamic smoothing, but usage is not limited to such applications. It may be used for faying surface sealing, for wetinstallation of fasteners, for overcoating fasteners, and for sealing joints and seams. The sealing compound can be used in fuel areas as well as in non-fuel areas. It may, in some cases, be used as a non-structural adhesive. The sealant is capable of continuous service use from -65 to +250 °F (-54 to 121 °C). AMS3100 adhesion promoter may be applied prior to application of the sealant.
Types Sealing compounds covered by this specification are classified as follows:
Type 1 - Dichromate Cured Sealant. Material with a dichromate curing agent.
Type 2 - Manganese Dioxide Cured Sealant. Material with a manganese dioxide curing agent.
The following classes apply to both Type 1 and Type 2 sealing compounds:
Class A - Suitable for application by brush. Available in the following application times in hours:
Class B - Suitable for application by extrusion gun or spatula. Available in the following application times in hours:
C - Suitable for extrusion gun, spatula, brush, or roller. Available in the following application times in hours:
Notation: ( ) Assembly time in hours:
Safety - Hazardous Materials
Shall be in accordance with AS5502 (1.1).