PPG Aerospace

PR 1422 B1/2 - Fuel Tank Sealant

Details & Compliance

Description

PPG PR-1422 B-1/2 is a two-part, dichromate-cured polysulfide aircraft fuel tank sealant designed for fillet sealing of integral fuel tanks and aircraft fuselage applications. Its low-sag, thixotropic paste can be applied using an extrusion gun or spatula and cures at room temperature to form a flexible, resilient seal. The cured sealant maintains excellent elastomeric properties and adhesion after prolonged exposure to jet fuel and aviation gasoline. Key Features: Two-part polysulfide aircraft sealant Low-sag, thixotropic paste Designed for fillet sealing Excellent resistance to jet fuel and aviation gasoline Excellent adhesion to common aircraft substrates Application life: 30 minutes Tack-free time: less than 8 hours Cure time: approximately 24 hours Service temperature: -54°C to +121°C Intermittent temperature resistance: up to 135°C Mixing ratio: 13.3:100 by weight (Part A:Part B) Conforms to AMS-S-8802 Type 1, Class B-1/2