PPG PR1440A-2 (150-ml-Semkit)

Additional Product Information

MRO and aviation engineers trust PPG PR1440A-2 because it delivers reliable, durable sealing for integral fuel tanks, fuselage joints and critical structural components across both military and commercial aircraft. Its non-sag, brushable formula withstands aviation fuels, hydraulic fluids and extreme temperatures. Making it essential for AOG situations where every minute of downtime matters. Airlines and ground crews keep it in stock to ensure rapid repairs that maintain fleet safety and operational readiness. Simply put, PPG PR1440A-2 is the sealant that aerospace professionals rely on to protect passengers, crew and multi-million-dollar aircraft investments.

Key Technical Specs for PPG PR1440A-2

• Type: Two-part polysulfide sealant (manganese dioxide-cured).
• Volume: 150?ml (0.15?L / 5.07?fl.?oz.) Semkit cartridge.
• Temperature Range: -54?°C to 121?°C (-65?°F to 250?°F), with short excursions up to 135?°C (275?°F).
• Application Life: 2 hours at 25?°C (77?°F).
• Cure Time: Tack-free in ~36 hours; full hardness (~35A durometer) in ~72 hours.
• Adhesion: Excellent to aluminium, titanium, stainless steel, and composite surfaces.
• Chemical Resistance: Aviation fuels (Jet A, Jet A-1, Avgas), hydraulic fluids, oils and water.
• Function: Provides durable, flexible sealing for integral fuel tanks, fuselage joints, fillets and other structural seams.

Approvals & Specifications for PPG PR1440A-2

• MIL-S-8802F: Type II, Class A-2
• Boeing: BMS 5-26U, Type 2, Class A-2
• Airbus: AIMS 09-00-002
• Sikorsky: SS 8664
• Bell Helicopter: 299-947-107
• Hughes Helicopters: 6500126, Type 2
• Aerojet: SPC-34162, Class 2-1/2
• US Army Missile Command: MIS 30391, Type 1, Class 2

Typical Aircraft MRO / AOG Applications for PPG PR1440A-2

• Sealing integral fuel tanks during maintenance or modifications.
• Repairing fuselage joints, fillets and structural seams.
• Emergency AOG repairs to minimize aircraft downtime.
• Routine MRO operations to maintain aircraft structural integrity.
• Holding it in stock ensures rapid response in critical situations, keeping fleets operational and safe.

Compatibility & Safety Notes for PPG PR1440A-2

• Suitable for aluminium, titanium, stainless steel and composites.
• Non-sag, brushable formula ideal for vertical and overhead applications.
• PPE recommended: gloves, eye protection, adequate ventilation.
• Refer to SDS for detailed handling, storage and safety precautions.

Packaging & Procurement for PPG PR1440A-2 (matched to the Aerospheres page and common market packs)

• Supplied in a 150?ml Semkit cartridge for accurate, easy mixing.
• Shelf life: ~9 months when stored cool and dry.
• Single kit contains both Part A and Part B for immediate use.
• Matches exactly what is offered on the Aerospheres product page.

Why PPG PR1440A-2 is Chosen for AOG / MRO

• Fast, reliable cure in critical maintenance and emergency scenarios.
• Durable, flexible seal ensures long-term fuel and structural integrity.
• Trusted by aviation engineers and ground crews for military and commercial aircraft.
• Reduces aircraft out-of-service time, protecting passenger and crew safety

Practical Suggestions for Your Team (AOG mindset) for PPG PR1440A-2

• Maintain adequate stock for rapid response.
• Train ground crew and MRO personnel on proper mixing and application.
• Monitor shelf life and storage conditions.
• Keep batch numbers and usage records for traceability and compliance.

Manufacture / Aviation Spec Codes for PPG PR1440A-2

• Manufacturer: PPG Aerospace
• Applicable Specs: MIL-S-8802F, BMS 5-26U, AIMS 09-00-002, SS 8664, 299-947-107, 6500126, SPC-34162, MIS 30391

Alternative Names & Descriptions for PPG PR1440A-2

• PR1440A Semkit
• PPG PR1440A Fuel Tank Sealant
• PPG Polysulfide Sealant
• Two-part polysulfide, brushable, non-sag, corrosion-inhibiting aerospace sealant
• PR1440A-2
• PR1422A2-654SEMKIT
• PR1440A2
• PR1440A2SK654:83574
• PR1440A2SK654C:83574
• PR1422A-2-6OZ