This two-part aircraft fuel tank sealant is designed for sealing applications, particularly in integral fuel tanks and fuselage areas. It features a black/beige color and maintains elastomeric properties after extended exposure to jet fuel and aviation gas, making it suitable for demanding aviation environments.
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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
PR-1440 Class B is an aircraft integral fuel tank sealant. This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. The cures sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas. PR-1440 Class B is a two-part, manganese dioxide cured polysulfide compound.
Features & Benefits
Maintains elastomeric properties after long-term exposure to jet fuel and avgas
Low-sag, thixotropic consistency ideal for fillet sealing applications
Resilient cured sealant with excellent adhesion to aircraft substrates
Service temperature capability from -65°F to 250°F with excursions to 275°F
Fuel-resistant and chemically durable for demanding aviation environments
Suitable for extrusion gun and spatula application methods
Available in a convenient 1 qt kit for maintenance and repair tasks
Specifications
Series: PR-1440
Container Size: 1 qt
Form: Liquid (Part A), Solid (Part B)
Color: Black/Beige (Part A/B)
Composition: 40 to <50% Manganese Dioxide, 20 to <30% Terphenyl, Hydrogenated, 5 to <10% Zeolites, 1 to <5% Talc, 1 to <5% Carbon Black, 1 to <5% Terphenyl, 1 to <5% 1, 3-diphenylguanidine, 1 to <5% Bis(Piperidinothiocarbonyl) Hexasulfide (Part A), 40 to <50% Propane, 1, 2, 3-trichloro-, Polymer with 1, 1-[methylenebis(Oxy)]bis [2-chloroethane] and Sodium Sulfide (Na2 (Sx)), Reduced (Mw >1800), 5 to <10% Propane, 1, 2, 3 trichloro-, Polymer with 1, 1-[methylenebis(Oxy)]bis [2-chloroethane] and Sodium Sulfide (Na2 (Sx)), Reduced (Mw <1800), 1 to <5% Titanium Dioxide, 0.1 to <1% Toluene, <0.1% Terphenyl (Part B)
Dry Time: <8 hr (Tack Free)
Density: 13.1 lb/gal (Part B)
Viscosity: >21 cSt (Part A)
VOC Content: 16 g/L (Part B)
Application Method: Extrusion Gun and Spatula
Vapor pressure: 3.2 kPa (Part A)
Shelf Life: 270 Days
Storage Temperature: 80 deg F
Relative density: 1.76 lb/gal (Part A), 1.57 lb/gal (Part B)
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DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
