PPG Aerospace PR-1425 B-2 Black PRC Standard Spec Windshield & Canopy Sealant - Pint Kit

PPG Aerospace SealantsSKU: 1425B002CA012PT

About This Product

PR-1425 Class B is an aircraft windshield and canopy sealant. It has a service temperature range from -65°F to (-52°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). This material is designed for fillet sealing of properly prepared glass, polycarbonate, acrylic and other aircraft sealing applications. This product is specifically formulated not to craze substrates. The cured sealant exhibits excellent resistance to UV and weather exposure.


PR-1425 Class B is a two-part, dichromate 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.

Product Details

Pint Kit
Meets all requirements of, and is qualified to PRC Standard
Shelf Life:
Has maximum recommended shelf life of 6-12 months

Additional Product Information

Schedule B:
PRC Standard Spec

Data Sheets & Policies

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