RX1-09-06542

Flamemaster Chemseal CS 247 Class B-1/2 is a two-part, manganese dioxide-cured polysulfide sealant designed for setting or repairing aircraft windshields and canopies made from glass, acrylic or polycarbonate. The uncured material is thixotropic for low-sag application by extrusion gun or spatula and cures at room temperature.

The B-1/2 grade provides a minimum application time of 30 minutes at 25°C and 50% relative humidity. The cured sealant has a stated service-temperature range of -54°C to +121°C. Flamemaster identifies CS 247 B-1/2 as supplied to its specification based on AMS3333 Type II, high-peel-strength version.

• Manufacturer part number: CS247B1/2 6OZ
• Two-part polysulfide windshield and canopy sealant
• Designed for glass, acrylic and polycarbonate transparencies
• UV-resistant formulation
• For acrylic and polycarbonate, Flamemaster recommends use of an adhesion promoter such as CS 900

Consult the applicable aircraft maintenance data, technical data sheet and safety documentation before use.

Manufacturer documentation: CS 247 Class B Technical Data Sheet | CS 247 Part A Class B Safety Data Sheet | CS 247 Part B Class B Safety Data Sheet