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NSL1440RC B1/2: Rapid Cure Aviation Fuel Tank Sealant

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NSL1440RC B1/2: Rapid Cure Aviation Fuel Tank Sealant

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NSL1440RC B1/2 is a rapid curing fuel tank sealant, with the faster cure time you need. It is intended for use on integral fuel tanks and pressurized cabins as well as other areas subject to contact with aircraft fuels, lubricants, oils, water and/or weathering. This product is an FAA-approved PMA replacement for PPG’s PR-1440B1/2 rapid curing fuel tank sealant, and it cures at least 80% faster for Class A sealants and 25% faster for Class B sealants.

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See the complete list of NSL1440RC B1/2 eligible makes and models or click the part number to access the FAA PMA supplement: NSL1440RC B1/2: Sup. 2, Sup. 5


Technical Info


Application Life

30 mins






Cure Time

< 5 hrs

Mixing Ratio



2.5 oz, 6 oz, pint, quart, gallon


2 parts

Shelf Life

9 months

Tack Free Time

< 5 hrs

PMA Replacement For:

Hazardous No

Please consult the technical data sheet for specificities of environmental conditions that yielded the above data. Standard cure rates are based on industry curing standards.

NSL PMA Sealants

  • Non-critical Part (FAA AC 43-18 (2))
  • FAA Approved (Supplement PQ4210CE)
  • 8130 Airworthiness Approval
  • PPG/PRC replacement
  • 30%-50% cost savings on average
  • Faster turnaround
  • Customizable packaging
  • Available pre-mixed and frozen (PMF)


Find Eligible Aircraft for NSL1440RC B1/2

1. Surface Preparation

2. Mixing Instructions

3. Application