PPG PR1425 B-2 Windshield and Canopy Sealant
PPG PR1425 Class B is a fast-curing, two-part aircraft windshield and canopy sealant. Designed as an aircraft transparency sealant, it has excellent adhesion to properly prepared glass, polycarbonate and acrylic substrates.
Data Sheets
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Product Properties
Product Information
This product is a manganese dioxide cured polysulphide compound. The uncured material is a low sag, thixotropic paste, suitable for application by extrusion gun or spatula. When correctly primed with PR1861 adhesion promoter this sealant has excellent adhesion to common aircraft substrates. This product is also specifically formulated not to craze substrates.
It has a service temperature range of -54°C (-65°F) to 121°C (250°F), with intermittent excursions up to 135°C (275°F). The cured sealant exhibits excellent resistance to UV and weather exposure.
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