DeSoto® Fuel Tank Sealant, Liquid (Part A), Solid (Part B), Black/White (Part A/B), 1/2 hr, 6 oz

P/S 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 cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas. P/S 890 Class B is a two part, manganese dioxide cured polysulfide compound. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.
Specifications
• Series: P/S 890
• Container Size: 6 oz
• Form: Liquid (Part A), Solid (Part B)
• Color: Black/White (Part A/B)
• Composition: 25 to <50% Manganese(IV)Dioxide, 25 to <50% Hydrogenated Terphenyl, 5 to <7% Zeolites, 2 to <3% Talc, 2 to <3% Carbon Black Animal or Vegetable Origin, 1 to <2% Terphenyl, 1 to <2% 1, 3-Diphenylguanidine, 1 to <2% Bis(Piperidinothiocarbonyl) Hexasulfide, 0.1 to <0.2% Silica Silicon Dioxide Containing Crystalline and Amorphous (Part A), >=5 to <=10% Barium Sulfate, >=1 to <=5% Calcium Carbonate, >=1 to <=5% Zinc Sulfide (Part B)
• Application Time: 1/2 hr
• Curing Time: 30 hr
• Specific Gravity: 1.76 (Part A), 1.5 (Part B)
• Tack-Free Time: <4 hr
• Application Method: Extrusion Gun, Spatula
• Shelf Life: 274 days
• Storage Temperature: 80 deg F
• Boiling Point: 680 deg F
• Temperature Rating: -65 to 250 deg F