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Stop dangerous leaks before they start by ordering a quart-size kit of PPG Aerospace® PR-1440 Fuel Tank Sealant from SkyGeek. The gas tank sealant is designed to be used internally, boasting a service temperature range of -65°C (-54°C) to 250°F (121°C), so it maintains a seal even when conditions get tough. In the event of an emergency, the fuel tank liner sealant can also withstand intermittent exposure to temperatures as high as 275ºF (135ºC) without failure, offering peace of mind and added protection in unforeseen circumstances.
PPG Aerospace® PR-1440 Fuel Tank Sealant is specially formulated for fillet sealing of fuel tanks and other fuselage sealing applications. The fuel tank sealer cures at room temperature and maintains its excellent elastomeric properties when exposed to jet fuel and aviation gas. The two-part formula is a thixotropic paste when uncured, making it easy to apply to all surfaces of the fuel tank without running, sagging or thinning. The sealer for gas tank assemblies can be applied by extrusion gun or spatula with excellent results.
Features
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Note: The application and performance property values above are typical for the material, but not intended for use in specifications or for acceptance inspection criteria because of variations in testing methods, conditions and configurations.
Surface preparationImmediately before applying sealant to primed substrates, the surfaces should be cleaned with solvents. Contaminants such as dirt, grease, and/or processing lubricants must be removed prior to sealant application.
A progressive cleaning procedure should be employed using the appropriate solvents and new lint free cloth (reclaimed solvents or tissue paper should not be used). Always pour solvent on the cloth to avoid contaminating the solvent supply. Wash one small area at a time.
It is important that the surface is dried with a second clean cloth prior to the solvent evaporating to prevent the redeposition of contaminants on the substrate. Substrate composition can vary greatly. This can affect sealant adhesion. It is recommended that adhesion characteristics to a specific substrate be determined prior to application on production parts or assemblies.
For a more thorough discussion of proper surface preparation, please consult the SAE Aerospace Information Report AIR 4069. This document is available through SAE, 400 Commonwealth Avenue, Warrendale, PA 15096-0001.
Mixing instructions
PR-1440 Class B is supplied in a two-part kit. Mix according to the ratios indicated in the application properties section. Mix Part A and Part B separately to uniformity, then thoroughly mix entire contents of both parts of the kit to-gether taking care to avoid leaving unmixed areas around the sides or bottom of the mixing container.
Storage life
The storage life of PR-1440 Class B is at least 9 months when stored at temperatures below 80°F (27°C) in original unopened containers.
Health precautions
This product is safe to use and apply when recommended precautions are followed. Before using this product, read and understand the Material Safety Data Sheet (MSDS), which provides information on health, physical and environmental hazards, handling precautions and first aid recommendations. An MSDS is available on request. Avoid overexposure. Obtain medical care in case of extreme overexposure.
For industrial use only. Keep away from children.
For emergency medical information call 1-800-228-5635.
