FAA approved replacements for PRC/PPG Aerospace Sealants.

NSL1776M Class B

NSL1776M: Lightweight Fuel Tank and Fuselage Sealant

NSL1776M is a lightweight sealant for use on fuel tanks and aircraft fuselage 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 PR-1776 sealant. Learn more below or get a quote today.

Replacement For: PR1776M Class B
Conforms To: AMS3281 by FAA-PMA Approval

Eligible manufacturers for NSL1776M series per FAA PMA Supplement PQ4210CE include:

ATR, Boeing, Bombardier, Cessna, Embraer.

Packaging: Available in 2½ - and 6-oz. cartridges, pint, quart and gallon kits. Also available in premixed and frozen cartridges. Other-size packaging available upon request.

Technical Data: Class B*
  • Cure Profile: B-½ B-2
  • Application Life (hrs): ½2
  • Tack Free Time (hrs): <10<24
  • Cure Time (hrs): <24<48
Shelf Life: 9 months | Consistency: Paste | Color: Dark Gray

*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)
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Technical Data Sheets (TDS)

Safety Data Sheet (SDS)

NSL Product Guides

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