PPG Aerospace® PR-1440 B-1/2 Fuel Tank Sealant from SkyGeek goes to work quickly to stop leaks and improve the integrity of your aircraft's fuel system. The sealant is designed for fillet sealing applications but can be used for other sealing purposes as well. Designed to deliver a strong bond, the thick sealant goes on smoothly and stays in place until cured. PPG Aerospace® PR-1440 B-1/2 Fuel Tank Sealant cures at room temperature and maintains its elastomeric properties to ensure a strong, flexible hold flight after flight. The gray color of the sealant blends in well with your aircraft’s fuel tank.
PPG Aerospace® PR-1440 B-1/2 Fuel Tank Sealant is a two-part manganese dioxide-cured polysulfide compound with a service temperature range of -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). The low-sag formula is suitable for application by extrusion gun or spatula, allowing you to work the sealant into place and ensure even coverage. The two-part class B fuel tank sealant arrives with pre-measured components that are ready to mix and apply without any measuring to ensure you get the right ratio, every time.
Application Properties (typical) | | Color | Part A - Black Part B - Off White Mixed - Dark Gray | Mixing ratio by weight | Part A: Part B 10:100 | Base Viscosity | 10,000, (1000) (Brookfield #6 @ 10rpm), Poise (Pa-s) | Application life and cure time @ 77°F (25°C), 50% RH | | Application life (hours) | Tack free time (hours) | Cure time to 35 A Durometer (hours) | B-1/2 | 1/2 | <10 | 30 | B-2 | 2 | <36 | 48 | | |
Performance Properties (typical) | | Cure Time | 14 days @ 77°F (25°C), 50% RH | Cured specific gravity | 1.57 | Nonvolatile content,(%) | 97% | Ultimate cure hardness (Durometer A) | 50 | Peel strength, pli (N/25 mm),100% cohesion | JRF immersion, 7 days @ 140°F (60°C) | JRF/NaCl-H2O immersion, 7 days @ 140°F (60°C) | MIL-A-8625 (Anodized aluminum) - 28 (125) | MIL-A-8625 (Anodized aluminum) - 35 (156) | MIL-C-5541 (Alodine aluminum) - 30 (133) | MIL-C-5541 (Alodine aluminum) - 35 (156) | MIL-C-27725 (IFT coating) - 30 (133) | MIL-C-27725 (IFT coating) - 34 (151) | MIL-S-5059 (Stainless steel)* - 31 (138) | MIL-S-5059 (Stainless steel)* - 35 (156) | MIL-T-9046 (Titanium comp. C)* - 36 (160) | MIL-T-9046 (Titanium comp. C)* - 30 (133) | QQ-A-250/13 (Alclad) - 25 (111) | QQ-A-250/13 (Alclad) - 32 (142) | *Primed with PR-148 Adhesion Promoter | | Tensile strength, psi (KPa) | 300 (2070) - Standard cure,14 days @77°F(25°C), 50% RH | Elongation, % | 363 - Standard cure,14 days @77°F(25°C), 50% RH | Thermal rupture resistance | Retains pressure of 10 psi with only negligible deformation, both before and after immersion in JRF. | Low temperature flexibility @ -65°F (-54°C) | No cracking, checking or loss of adhesion. | Corrosion resistance | No corrosion, adhesion loss, softening, or blistering after 20-day immersion in 2-layer salt water/JRF @ 140°F (60°C). | Resistance to hydrocarbons, Weight loss, % | 4.5% - 7 days @ 140°F(60°C) immersed in JRF. | Flexibility | No cracks after bending 180 degrees over 0.125 inch (3.18 mm) mandrel. | Repairability to itself | Excellent to both freshly cured as well as fuel aged and abraded fillets. | Resistance to other fluids | Excellent resistance to water, alcohols, petroleum-base and synthetic lubricating oils, and petroleum-base hydraulic fluids. | Fungus resistance | Non-nutrient | |
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.
Safety Data Sheet