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NSL890RC A1/2: Rapid Cure Aviation Fuel Tank Sealant

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NSL890RC A1_2 Class A-B - PMA Replacement for P_S890RC Class A-B

NSL890RC A1/2: Rapid Cure Aviation Fuel Tank Sealant

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NSL890RC A1/2 is a rapid-cure, fuel resistant aerospace and aviation sealant. It offers a faster cure time so you can get your job done more quickly. 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 is an FAA-approved PMA replacement for PPG’s PS-890A1/2 sealant that cures at least 70% faster.

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See the complete list of NSL890RC A1/2 eligible makes and models or click the part number to access the FAA PMA supplement: NSL890RC A1/2: 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 NSL890RC A1/2

1. Surface Preparation

2. Mixing Instructions

3. Application