https://www.ppg.com/en-US/aerospace/product/pr-1741-class-c-integral-fuel-tank-sealant/PLP0000015777
PR-1741 Class C Integral Fuel Tank Aerospace Sealant | PPG
PPG PR-1741 Class C aerospace sealant is a two-part polysulfide designed for aerospace fuel tanks, maintaining elastomeric properties after exposure.
integral fuel tankclass cpr1741aerospace