PPG Aerospace
PR 1422 A1/2 - Sealant
PR 1422 A1/2
Sealants
Details & Compliance
Lead Time: 2-4 Weeks
Description
PR-1422 A1/2 is a two-part, dichromate-cured polysulfide aircraft sealant designed for integral fuel tank and fuselage sealing applications. The brushable Class A formulation provides excellent adhesion to common aircraft substrates and maintains flexible, elastomeric properties after prolonged exposure to jet fuel and aviation gasoline. The A-1/2 grade provides a 30-minute application life and cures at room temperature to form a resilient seal. Key Features: Two-part polysulfide sealant Brushable Class A formulation Excellent resistance to jet fuel and aviation gasoline Excellent adhesion to common aircraft substrates Flexible and resilient after curing Application life: 30 minutes Tack-free time: less than 8 hours Cure time: approximately 30 hours Service temperature: -54°C to +121°C Intermittent temperature exposure: up to 135°C Application thickness: up to 25 mils Mixing ratio: Part A : Part B = 10 : 100 by weight Meets AMS-S-8802 Class A requirements.