PPG PR1826B-1/2 (100-ml-Semkit) - USA Only Clearance

Additional Product Information

Overview

The PPG PR1826B-1/2 is a rapid-curing, two-part polythioether sealant engineered for sealing integral fuel tanks and fuselage joints in demanding aviation environments. Supplied in a 100 ml (3.38 fl oz) Semkit cartridge, it enables fast, precise mixing and efficient application. Designed to withstand extreme temperatures and prolonged fuel exposure, it maintains excellent elastomeric properties while minimizing aircraft downtime, making it suitable for both scheduled maintenance and urgent AOG situations.

Key Technical Specs for PPG PR1826B-1/2

• Product Type: Rapid-curing, two-part polythioether sealant
• Primary Use: Sealing integral fuel tanks and fuselage joints
• Packaging: 100 ml (3.38 fl oz) Semkit cartridge
• Service Temperature: -62°C to +160°C (-80°F to +320°F); intermittent exposure up to +216°C (420°F)
• Mechanical Properties: Elastomeric after curing; maintains flexibility, adhesion, and fuel resistance
• Load-Bearing: Not load-bearing; intended for sealing and protection only

Approvals & Specifications for PPG PR1826B-1/2

• Manufacturer: PPG Aerospace
• Specification: PRC Standard Spec Class B-1/2
• OEM Approval: PPG Aerospace-approved for aviation fuel tank applications
• Certification Note: Certificates of Conformance available upon request for specific aircraft or regulatory requirements

Typical Aircraft MRO / AOG Applications for PPG PR1826B-1/2

• Sealing aircraft fuel tanks and fuselage joints to prevent leaks and fluid ingress
• Rapid repairs during AOG situations to maintain airworthiness
• Protection of critical aircraft systems from corrosion and environmental exposure
• Stocking for immediate response to urgent maintenance needs

Compatibility & Safety Notes for PPG PR1826B-1/2

• Compatible with common aircraft metals and composite substrates
• Surfaces should be clean and dry prior to application
• Use appropriate PPE and follow SDS guidance during handling
• Shelf Life: Approximately 9 months (270 days) when stored correctly

Packaging & Procurement for PPG PR1826B-1/2

• Supplied as a single 100 ml (3.38 fl oz) Semkit cartridge
• Individually packaged with part number and lot identification
• Lot certification and shelf-life requirements should be specified at time of order

Why PPG PR1826B-1/2 is Chosen for AOG / MRO

• Rapid cure reduces aircraft downtime during unplanned maintenance
• Compact Semkit format supports fast field deployment
• Reliable performance under extreme temperature and fuel exposure
• Trusted by MRO teams for both routine maintenance and emergency response

Practical Suggestions for Your Team (AOG Mindset)

• Maintain multiple cartridges in AOG kits for immediate repairs
• Train personnel on correct Semkit mixing and application procedures
• Prepare surfaces using approved cleaning agents to ensure optimal adhesion
• Track shelf life and lot numbers for quality assurance and compliance

Manufacture / Aviation Spec Codes for PPG PR1826B-1/2

• Manufacturer Part Number: PR1826B1/2-1001
• Aerospheres Part Number: PR1826B-1/2 (100 ml Semkit)
• Specification: PRC Standard Spec Class B-1/2
• OEM References: PPG-approved; consult manufacturer for Boeing, Airbus, or Lockheed Martin codes if required

Alternative Names & Descriptions for PPG PR1826B-1/2

• PPG PR1826B-1/2 Sealant
• Rapid Cure Fuel Tank Sealant
• Aircraft Integral Fuel Tank Sealant
• Semkit Fuel Tank Sealant
• PR1826B-1/2 Semkit
• PR1826B1/2
• PR1826B1-2SK654:83574
• PR1826B1/2SEMKIT654
• PR1826B1-2-1001
• SEALANT PR1826 B1/2