PPG PS890A-1/2 (1-S654)

Additional Product Information

PPG PS890A-1/2 is trusted by MRO teams and aircraft engineers worldwide for sealing integral fuel tanks and fuselage components, ensuring mission-critical reliability across both military and commercial fleets. Its superior fuel resistance, wide operating temperature range and elastomeric performance make it indispensable for maintaining aircraft safety and regulatory compliance. From AOG situations to routine maintenance, having PPG PS890A-1/2 in stock ensures your ground crew can respond quickly, reducing downtime and preventing costly delays. That’s why top-tier aviation operators rely on this sealant to protect aircraft worth millions every day.

Key Technical Specs for PPG PS890A-1/2

• Product Type: Aircraft maintenance sealant.
• Common Use: Brush and fay sealing of integral fuel tanks and aircraft fuselage areas.
• Temperature Range: -65°F to 250°F (-54°C to 121°C) with intermittent excursions up to 275°F (135°C).
• Performance: Cures to maintain excellent elastomeric properties. Highly resistant to jet fuel and aviation gas, ensures long-term durability and leak prevention.

Approvals & Specifications for PPG PS890A-1/2

• OEM / Brand: PPG.
• PPG Part No.: 1425CF/2CA654SK.
• Hazard Classification: UN1133 + UN3082, CL3 + 9, PGII + III.
• ECCN: EAR99.
• Origin: USA.
• Shelf Life: 9 months (270 days) from manufacture.

Typical Aircraft MRO / AOG Applications for PPG PS890A-1/2

• Sealing fuel tanks to prevent leaks during flight.
• Fuselage sealing in areas exposed to fuel and environmental stresses.
• Critical for AOG situations, ensuring aircraft can return to service safely and quickly.
• Essential for MRO stocking to avoid delays in maintenance schedules.

Compatibility & Safety Notes for PPG PS890A-1/2

• Resistant to jet fuel and aviation gas.
• Maintains elastomeric properties for extended service life.
• Brush and fay application allows precise sealing of complex aircraft components.
• Suitable for aircraft engineers, ground crew and MRO teams working in the aviation industry.

Packaging & Procurement for PPG PS890A-1/2 (matched to the Aerospheres page and common market packs)

• Supplied as 1 Semkit 654 (1 US gallon / 3.785 L tin).
• Matches the standard used in MRO and AOG operations.
• Stocking ensures immediate availability for urgent maintenance or AOG events.

Why PPG PS890A-1/2 is Chosen for AOG / MRO

• Rapid application with reliable performance under extreme temperatures.
• Fuel resistance and elastomeric stability prevent mid-flight failures.
• Preferred by airlines, MROs and military operations due to proven track record in critical aircraft fuel sealing.

Practical Suggestions for Your Team (AOG mindset) for PPG PS890A-1/2

• Always check expiry date.
• Maintain at least one Semkit in stock for urgent fuel tank sealing tasks.
• Keep application tools ready for fast AOG turnaround.

Manufacture / Aviation Spec Codes for PPG PS890A-1/2

• Boeing / Airbus / Lockheed Martin / Military: No explicit specification listed, but widely used across OEMs as Class A fuel tank sealant.

Alternative Names & Descriptions for PPG PS890A-1/2

• PPG PS890A Class A Sealant
• PPG 1-S654 Fuel Tank Sealant
• ECL-G-101 Equivalent
• PS890A1/2-1001
• PROSEAL890
• PS890A1/2: SK654 6 0Z
• PS890A1-2SK654-60Z