PR-1422 Class A is an aircraft integral fuel tank sealant, MIL-S-8802, AMS-S-8802 Class A. 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 brush sealing of fasteners in 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-1422 Class A Aircraft fuel tank sealant, is a two-part, dichromate cured polysulfide compound. The uncured material is suitable for application by brush in thickness up to 25 mils.It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.

PR-1422 Class A Aircraft Fuel Tank Sealant is tested in accordance with AMS-S-8802 and MIL-S-8802 Class B specification test methods.

Other PR1422 Sealant Options

Class A
- 1/2 Hour Set Time
  - 6oz Kit - PR-1422 A1/2 Fuel Tank Sealant
  - Pint - PR-1422 A1/2 Fuel Tank Sealant
- 2 Hour Set Time
  - 6oz Kit - PR1422 A2 Fuel Tank Sealant
  - Pint - PR-1422 A2 Fuel Tank Sealant
Class B
- 1/2 Hour Set Time
  - 2.5oz Kit - PR-1422 B1/2 Fuel Tank Sealant
  - 6oz Kit - PR-1422 B1/2 Fuel Tank Sealant
  - Pint - PR-1422 B 1/2 Fuel Tank Sealant
- 2 Hour Set Time
  - 2.5oz Kit - PR-1422 B2 Fuel Tank Sealant
  - 6oz Kit - PR-1422 B2 Fuel Tank Sealant
  - Pint - PR-1422 B2 Fuel Tank Sealant

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