PR2200B-1 (6-oz)

Additional Product Information

Overview

PR-2200 Class B is an electrically conductive, rapid-cure, corrosion-inhibitive aerospace sealant used extensively in aviation and MRO operations. It provides excellent electrical conductivity, EMI/RFI shielding, and protects metal substrates from corrosion, making it a trusted choice for maintenance teams and aircraft manufacturers seeking reliable performance in extreme environments.

Key Technical Specs for PR-2200 Class B

• Type: Two-part nickel-filled epoxy, PERMAPOL P-3.1 polythioether compound
• Size/Volume: Available in two-part SEMKIT packages or pre-mixed frozen cartridges
• Color: Part A Black; Part B Gray; Mixed Black
• Viscosity/Consistency: Low-sag, thixotropic paste suitable for extrusion gun or spatula application
• Cure/Working Time: Application life 0.5 1 hour; Tack-free 3 5 hours; Full cure 6 7 days at 77 F (25 C), 50% RH
• Tensile/Peel Strength: Tensile 180 psi (1240 kPa); Shear 185 psi (1276 kPa); Elongation 100%
• Shore Hardness: 75A
• Service Temperature: -67 F to 250 F (-55 C to 121 C), intermittent excursions up to 360 F (182 C)
• Typical Uses: EMI/RFI shielding, corrosion protection, aircraft panel sealing, bonding aluminum and dissimilar metals
• Shelf Life: SEMKIT package 9 months below 80 F (27 C); Pre-mixed frozen cartridge 30 days at -80 F (-62 C) or below

Approvals & Specifications

• Compliant with PRC standard tests for electrical conductivity and corrosion resistance
• Permapol and Semkit trademarks registered with U.S. Patent Office
• Meets SAE Aerospace Information Report AIR 4069 surface prep recommendations

Typical Aircraft MRO / AOG Applications

• Sealing and bonding aluminum aircraft panels
• EMI/RFI shielding for avionics housings
• Maintenance and repair of structural joints on commercial and military aircraft
• Aircraft systems exposed to jet fuel and aviation gasoline
• Rapid field repairs requiring reliable corrosion protection

Compatibility & Safety Notes

• Compatible with aluminum alloys and dissimilar metals when primed with PR-182 Adhesion Promoter
• Requires clean, solvent-prepared surfaces before application
• Use appropriate PPE: gloves, eye protection, and ventilation during mixing and application
• Follow Safety Data Sheet (SDS) instructions for handling and first aid

Packaging & Procurement

• Two-part SEMKIT package with mixing instructions
• Pre-mixed and frozen cartridges for extrusion gun use
• Storage: SEMKIT below 80 F (27 C), frozen cartridges below -80 F (-62 C)
• Easy-to-use for field or shop applications

Why PR-2200 Class B is Chosen for AOG / MRO

• Rapid cure reduces aircraft downtime during urgent repairs
• High reliability under extreme temperature and chemical exposure
• Versatile application across multiple substrates and repair scenarios
• Portable packaging supports both hangar and in-field operations

Practical Suggestions for Your Team (AOG Mindset)

• Maintain SEMKIT stock for routine and emergency repairs
• Train maintenance staff on surface preparation and adhesion promoter use
• Monitor shelf life for frozen cartridges and SEMKIT packages
• Always clean substrates with lint-free cloths and approved solvents
• Apply within 8 hours of adhesion promoter application for optimal bonding

Manufacture / Aviation Spec Codes

• Manufacturer: PRC-DeSoto International, Inc.
• Product ID: PR-2200 Class B
• MIL/OEM/Export Codes: Compliant with PRC standards, SAE AIR 4069 recommended surface prep

Alternative Names & Descriptions

• PRC PR-2200 Class B Sealant
• Permapol P-3.1 Nickel-Filled Epoxy
• PRC Semkit Electrically Conductive Sealant
• PR-2200 Nickel Epoxy Aerospace Sealant
• PR-2200 Class B Rapid Cure EMI/RFI Sealant