RX1-09-06023

Flamemaster Chemseal CS 3204 B-1/2 is a standard-curing, standard-density aerospace sealant for fuel tank and fuselage sealing work. This 2.5 oz cartridge contains a two-part, manganese dioxide-cured polysulfide sealant formulated for flexible, fuel-resistant sealing applications.

The thixotropic, low-sag Class B material can be applied by extrusion gun or spatula. When mixed, the sealant is dark grey. B-1/2 provides a minimum application time of 30 minutes at 25°C and 50% relative humidity; actual working and cure times are affected by temperature and humidity.

• Manufacturer: Flamemaster
• Manufacturer part numbers: CS3204B1/2 2.5OZ; CS3204B1/2-2.5
• Reference: AMS-S-8802
• Two-part polysulfide sealant
• Typical uses: integral fuel tank sealing and repair, cabin-pressure sealing, aerodynamic smoothing, and sealing of joints and seams in fuel and non-fuel areas
• Resistance: fuel, water and other aerospace fluids
• Cured service temperature range: -54°C to +121°C, with excursions to +182°C
• Unit of measure: each

For correct surface preparation, mixing, application and safety precautions, consult the manufacturer documentation before use.

Documentation: Manufacturer Technical Data Sheet | Safety Data Sheet