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PPG PR-1422B-1/2 Fuel Tank Sealant | Class B-1/2 Aircraft Sealant

PPG PR-1422B-1/2 Fuel Tank Sealant | Class B-1/2 Aircraft Sealant

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PR-1422B-1/2 Aircraft Integral Fuel Tank Sealant

The PR-1422B-1/2 is a two-component aerospace sealant for integral fuel tanks, manufactured by PPG Aerospace / PRC-DeSoto. It is a polysulfide compound cured by dichromate, Class B, developed for fillet sealing in fuel tanks and fuselage sealing applications in aircraft. The cured material maintains elastomeric properties after prolonged exposure to jet fuel and aviation gasoline.

The B-1/2 designation indicates an approximate application life of 1/2 hour, with tack-free time less than 8 hours and cure to 35A in approximately 24 hours, at 77°F / 25°C and 50% relative humidity.

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Why buy from Blackbird Aviation

  • Manufacturer's release with every part. FAA Form 8130-3, EASA Form 1 or the manufacturer's certificate of conformity, exactly as received from the source. Never altered or re-issued.
  • Lot traceability on every shipment. Every order also ships with a Blackbird Certificate of Conformance and lot-split record linking your part to its source certificate, the receipt it arrived under and every quantity released from that lot.
  • Identified and stored under control. Each part is labeled with its part number, lot and certificate reference and kept at a tracked bin location.
  • Stock in the USA and Brazil. Margate, Florida and Cotia, São Paulo.
  • Run by a pilot who flies what we supply. Our founder, Marcus Graciotti, holds FAA and ANAC ATP licenses for airplanes and helicopters and grew up as the son of an aircraft mechanic. Read our story