NSL870 Corrosion Inhibitive Sealant

FAA Approved PMA Replacement Sealant for P/S 870 Class B

NSL870 is a corrosion inhibitive aviation sealant 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 P/S 870 sealant. At room temperature, this two-part polysulfide base compound cures to a flexible, resilient rubber.

Learn more below or get a quote today.

NSL870 Class B - PMA Replacement for P_S870 Cl

Product Details

  • P/S870 Class B

Competitive Advantages of NSL PMA Sealants

No Order Minimum*

Custom packaging and custom quantities with no minimums on orders.*

Speed of Delivery

Short lead times, just-in-time turnarounds, and no expedite fee.

International Service

Help with shipping logistics, regulations and documentation requirements.

Continued Support

Supporting our customers is our most important value as a company and as people.

NSL PMA Sealant Benefits

  • 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)

For more information about PMA Sealants view our guide.

NSL PMA Cross Reference Chart Page

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