Introducing P/S 870 Class B, a premium corrosion-inhibitive sealant for the aerospace industry. Designed to protect aluminum alloys and dissimilar metals, it withstands temperatures from -65°F to 250°F, with peaks up to 275°F. Easy to apply and fuel-resistant, it’s perfect for fuel tanks, fuselage seams, and more. Ensure aircraft safety and longevity with P/S 870 Class B.