This two-part fuel tank sealant is designed for aircraft applications, specifically for sealing fuel tanks and fuselage. It features a manganese dioxide cured polysulfide compound that retains elastomeric properties after extended exposure to jet fuel and aviation gas, ensuring effective sealing performance in demanding environments.
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WARNING: This product can expose you to chemicals including CARBON BLACK (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE [= 10 MICROMETERS]) and TITANIUM DIOXIDE (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE) which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Overview
PR-1770 Class B is a high-strength, aircraft integral fuel tank sealant. 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. PR-1770 Class B is a two-part, manganese dioxide cured Permapol® P-5 polysulfide compound.
Specifications
Series: PR-1770
Container Size: 2.5 oz
Form: Liquid (Part A), Solid (Part B)
Color: Black/Gray (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% Ethanethiol, 2, 2-thiobis-, Reaction Products with Reduced 1, 1-[methylenebis (Oxy)]bis[2-chloroethane]-sodium Sulfide (Na2 (Sx)-1, 2, 3-trichloropropane Polymer, 1 to <5% 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% 2, 2-Thiodiethanethiol, 0.1 to <1% Ferbam (ISO), <0.1% Terphenyl (Part B)
Dry Time: 2 hr (Application), <24 hr (Tack Free)
Viscosity: >21 cSt (Part A)
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), 1.56 lb/gal (Part B)
Boiling point: 680 deg F (Part A), 350 deg F (Part B)
Auto Ignition Temperature: 705.2 deg F (Part A)
Temperature Rating: -67 to 356 deg F
Suitable for Use With: Aircraft Integral Fuel Tank
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