Sealant PRC®

Product overview
A comprehensive range of aerospace sealants and adhesives for fuel tanks, fuselage, windshields/canopies, conductive and specialty applications. Includes fuel‑resistant, conductive, lightweight and rapid‑cure chemistries for production, repair and maintenance operations.

Key benefits

• Improve quality, reduce application time and minimise waste
• Environmentally conscious options; lightweight/low density and rapid‑cure materials
• Customized Sealant Solutions (CSS) — preformed shapes (Seal caps, Semfoam™) to simplify installation
• Durable aerospace performance across a range of operational environments
• Efficient packaging options including Semkit® and PRC® pre‑mixed & frozen (PMF) cartridges
• Fuel‑resistant industrial sealants and adhesives developed with PPG Aerospace technology

Product categories and features

• Fuel Tank Sealants — cured elastomeric properties maintained after prolonged exposure to jet fuel and aviation gasoline
• Fuselage Aerodynamic Smoothing & Corrosion Inhibitive — sealants designed to enhance aerodynamic performance and protect against corrosion
• PPG ARE™ 3D Printed Sealants — 3D printed gaskets for consistent, easy application
• Secondary Fuel Vapor Barrier — sealants engineered to prevent fuel vapour leakage in fuel systems
• Conductive Electrically Sealant — cured materials that maintain electrical continuity in aircraft applications
• Electrically Potting — PRC polyurethane systems for connectors and cable assemblies offering high dielectric strength and hydrolytic stability
• Windshields / Canopy — UV and weather‑resistant formulations designed to avoid substrate crazing
• Adhesion Promoters — products to enhance sealant bonding to diverse substrates
• Specialty — a selection of specialty sealants from PRC DeSoto for niche applications
• Firewall — materials formulated to seal firewall structures against air and vapour passage
• Rapid Seal® Sealants — fast‑curing options for rapid, efficient sealing
• PRC® Seal Caps — formed/molded sealant caps for dome‑sealing fasteners
• Miscellaneous — additional specialized solutions to meet specific sealing requirements

Application guides and documents (available)

• Adhesion Promoter Guide
• Aerospace Sealants Application Guide
• PR‑1500 Series Application Guide
• Semkit Mixing Guide

Technical characteristics / specifications

• Elastomeric properties maintained after prolonged exposure to jet fuel and aviation gasoline
• Fuel resistance suitable for fuel tank and vapour barrier applications
• Electrical continuity for conductive sealants; high dielectric strength and hydrolytic stability for potting materials
• UV and weather resistance for windshield/canopy sealants; formulated to prevent substrate crazing
• Lightweight / low density options and rapid‑cure chemistries
• Customized preformed Seal Caps and Semfoam™ shapes (CSS) to simplify installation
• Available packaging: Semkit®, PRC® pre‑mixed & frozen (PMF) cartridges
• 3D printed gasket solutions (PPG ARE™) for uniform application
• PRC polyurethane chemistries for electrical connector and cable assembly potting