PR-1425CF (Chrome Free) Class B Windshield and Canopy Sealant
PR-1425CF Class B is fast curing, chrome free, aircraft
windshield and canopy sealant. It has a service temperature
range from -65°F (-54°C) to 250°F (121°C), with intermittent
excursions up to 275°F (135°C). This material is designed as
an aircraft transparency sealant and has excellent adhesion
to properly prepared glass, polycarbonate, and acrylic
substrates. This product is specifically formulated not to craze
substrates. The cured sealant exhibits excellent resistance to
UV and weather exposure.
PR-1425CF Class B is a fast curing, two-part, manganese
dioxide cured 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, when correctly primed with
PR-1861 adhesion promoter.
The following tests are in accordance with PRC-DeSoto
International and other OEM specification test methods.