PPG Aerospace
PR 1428 A1/2 ( 6OZ SEMKIT) - Sealant
PR 1428 A1/2 ( 6OZ SEMKIT)
Sealants
Details & Compliance
Lead Time: 2-4 Weeks
Description
PPG PR-1428 A-1/2 is a two-part, manganese-dioxide-cured polysulfide aircraft sealant formulated as a low-adhesion, removable seal. It is designed for sealing aircraft access doors and fabricating form-in-place (FIP) gaskets. The brushable formulation can be applied up to 25 mils and cures at room temperature to form a flexible seal that can be removed from common aircraft substrates. Key Features: Two-part polysulfide aircraft sealant Low-adhesion, removable formulation Brushable Class A sealant Application thickness: up to 25 mils Application life: 30 minutes Tack-free time: less than 6 hours Cure time to 30 Shore A: approximately 10 hours Service temperature: -54°C to +121°C Intermittent temperature resistance: up to 135°C Mixing ratio: 10:100 by weight (Part A:Part B) Cured hardness: approximately 50 Shore A