PR1826B-2 (100-ml-Semkit)

Additional Product Information

Overview

PPG PR1826B-2 is a rapid-curing fuel tank sealant relied upon by aircraft engineers, ground crew, and MRO teams worldwide across both military and commercial aviation. Designed for fast, precise, and leak-proof sealing of integral fuel tanks and fuselage joints, it performs reliably even in urgent AOG situations. Supplied in a compact 100 ml (3.38 fl oz) Semkit, it provides the correct quantity for critical maintenance without waste, helping operators maintain airworthiness, reduce downtime, and achieve consistent OEM-approved performance.

Key Technical Specs

• Function: Two-part rapid-curing sealant for fuel tanks and fuselage joints
• Consistency: Thixotropic, low-sag paste for controlled application
• Service Temperature Range: -62°C to 160°C (-80°F to 320°F)
• Intermittent Temperature Excursion: Up to 216°C (420°F)
• Cure Performance: Rapid cure, even at temperatures as low as 5°C (41°F)
• Load-Bearing: Not structural; used exclusively for sealing and leak prevention

Approvals & Specifications

• AMS-3277: Type 1, Class B-2
• FMS-3064: Form I, Class B-2
• Compliance: Meets aerospace standards for fuel tank sealants across military and commercial fleets
• Recommended Shelf Life: 6-12 months when stored correctly

Typical Aircraft MRO / AOG Applications

• Fillet sealing of integral fuel tanks
• Sealing fuselage joints, seams, and structural panels
• Rapid repairs during AOG situations to minimize downtime
• Routine maintenance to preserve fuel system integrity

Compatibility & Safety Notes

• Excellent adhesion to aluminium, steel, and common aerospace substrates when used with PR1826 adhesion promoter
• PPE recommended: gloves, goggles, and chemical-resistant clothing
• Use in well-ventilated areas during cure
• Compact Semkit format supports safe field use without excess material

Packaging & Procurement

• Pack Size: 100 ml (3.38 fl oz) Semkit
• Includes adhesion promoter
• Available through Aerospheres and authorized distributors
• Recommended for hangar stock and AOG toolkits for rapid deployment

Why Chosen for AOG / MRO

• Rapid cure significantly reduces aircraft downtime
• Easy application in confined or difficult-to-access areas
• Maintains fuel system integrity under extreme temperature conditions
• OEM-approved specifications support certified maintenance workflows

Practical Suggestions for Your Team (AOG Mindset)

• Verify batch number and shelf life prior to use
• Maintain one to two Semkits per shift for AOG readiness
• Use with PR1826 adhesion promoter for optimal bonding performance
• Store in a cool, dry location away from ignition sources
• Include SDS documentation in toolkits for immediate reference

Manufacturer / Aviation Spec Codes

• OEM / Aerospace Specification: AMS-3277 Type 1 Class B-2
• Military Specification: FMS-3064 Form I Class B-2
• Distributor Reference: Aerospheres PR1826B-2 100 ml Semkit

Alternative Names & Descriptions

• PPG PR1826B-2 100 ml Semkit
• PR1826B-2 Fuel Tank Sealant
• PPG Aerospace PR1826B-2
• Class B-2 Rapid Cure Sealant
• PR1826B2
• PR1826B2-654:83574
• PR1826B2 + Primer (144 g)
• PR1826B2-1001
• PR 1826 B 2 654SK