PR-1429 Class B Low Weight Floorboard Sealant
Discover the Future of Flight
Have questions or need support for your aerospace project? Contact PPG’s aerospace team today for guidance and tailored solutions.
PPG PR-1429 Class B is a low cohesive strength sealant. It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 300°F (149°C). This material is designed for butt sealing between aircraft interior floorboards or for depression filling and smoothing applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas.
PR-1429 Class B is a two-part manganese dioxide-cured, PPG Permapol P-5 polysulfide compound. The uncured material is a low sag, thixotropic paste suitable for application by extrusion gun or spatula. This sealant has excellent adhesion to common aircraft substrates.
PR-1429 Class B is also avialable in preformed parts using PPG's proprietary Ambient Reactive Extrusion (PPG ARE®) additive printing technology.