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. Get a quote today.

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.

Technical Data Sheets (TDS)

Safety Data Sheet (SDS)

NSL Product Guides