PR-1829 Class B rapid curing windshield and canopy sealant
PPG PR-1829 Class B sealant is a rapid curing product for aircraft windshields with a service range from -80°F to 320°F with short excursions up to 420°F. It is designed for sealing glass, polycarbonate and acrylic without crazing substrates. This two-part epoxy cured PERMAPOL® P-3 polythioether compound is a low sag thixotropic paste applied by extrusion gun or spatula.
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PPG PR-1829 Class B is a rapid curing aircraft windshield and canopy sealant. It has a service temperature range from -80°F (-62°C) to 320°F (160°C), with intermittent excursions up to 420°F (216°C). This material is designed for fillet sealing of glass, polycarbonate, acrylic and other aircraft sealing applications. The product contains no organic solvents and does not craze substrates. The cured sealant exhibits excellent resistance to UV and weather exposure. PR-1829 Class B is a two-part, epoxy cured PPG Permapol P-3 polythioether compound. The uncured material is a low sag, thixotropic paste, suitable for application by extrusion gun or spatula. Unlike standard polysulfide windshield sealants, it can cure at low temperatures and is unaffected by changes in relative humidity. This sealant has excellent adhesion to common aircraft substrates.