PR 148 CLEAR PINT PPG Aerospace® P/S 700 Black AMS 3381 Spec Firewall Sealant - Pint Kit

PPG Aerospace® PR-148 Clear Adhesion Promoter – Pint

PR-148 is a clear liquid adhesion promoter engineered to improve the bond strength of aerospace sealants, including polysulfide and polyurethane systems, on metal, composite, and treated substrates. Supplied in a pint bottle, it ensures consistent adhesion, long-term durability, and reliable performance in critical structures such as fuel tanks and fuselage joints.

Key Features:

1. Product: PR-148 Clear Adhesion Promoter
2. Packaging: Pint Bottle
3. Color: Clear
4. Function: Enhances adhesion of aerospace sealants
5. Compatible with: Polysulfide, polyurethane, and aerospace-grade sealants
6. Applications: Fuel tanks, fuselage structures, composites
7. Specification: PRC Standard Specification

PPG Aerospace® P/S 700 Black Firewall Sealant – Pint Kit (AMS 3381 Spec)

P/S 700 is a two-part, manganese dioxide–cured polysulfide firewall sealant designed for high-temperature aircraft applications. Supplied in a pint kit, it meets AMS 3381 specification, providing fire resistance, chemical durability, and thermal stability. Once cured, it forms a tough, fuel- and fluid-resistant elastomeric seal, ideal for firewalls, nacelles, and high-heat structures.

Key Features:

1. Product: P/S 700 Firewall Sealant
2. Packaging: Pint Kit
3. Color: Black
4. Chemistry: Manganese dioxide–cured polysulfide
5. Specification: AMS 3381
6. Function: High-temperature, fire-resistant sealing
7. Benefits: Fire resistance, fluid resistance, long-term durability
8. Applications: Aircraft firewalls, engine nacelles, heat-critical zones