This aircraft fuel tank sealant is designed for integral fuel tank and fuselage sealing applications. It withstands temperatures from -65°F to 250°F, with short-term exposure up to 275°F. The cured sealant retains elastomeric properties even after extended contact with jet fuel and aviation gas, ensuring reliable performance in demanding conditions.This aircraft fuel tank seala
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WARNING: This product can expose you to chemicals including CARBON BLACK (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE [= 10 MICROMETERS]), TITANIUM DIOXIDE (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE) and TOLUENE which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Overview
P/S 890 Class B is an aircraft integral fuel tank sealant. It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas.
Features & Benefits
Thermal rupture resistance for reliable performance
Low temperature flexibility to maintain seal integrity
Corrosion resistance
Flexibility with no cracks after bending 180 degrees over a 0.125 inch (3.18 mm) mandrel
Resistance to hydrocarbons
Repairable to itself, excellent for both freshly cured and fuel-aged fillets
Outstanding resistance to water, alcohols, and petroleum-based fluids
Fungus resistant - non-nutrient
Specifications
Color: Part A - Black, Part B - White, Mixed - Gray
Mixing Ratio by Weight: Part A: Part B 10:100
Base Viscosity: 11,000 (1100) (Brookfield #6 @ 10rpm), Poise (Pa-s)
Application Life @ 77°F (25°C), 50% RH: 2 hrs
Cure Time: 14 days @ 77°F (25°C), 50% RH
Cured Specific Gravity: 1.55
Nonvolatile Content: 95%
Tensile Strength: 300 psi (2069 KPa) - Standard cure, 14 days @ 77°F (25°C), 50% RH
Elongation: 300% - Standard cure, 14 days @ 77°F (25°C), 50% RH
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Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
