Flamemaster Chemseal CS3204 B-1/2 Fuel Tank Sealant - Pint Kit

Flamemaster Chemseal CS 3204 B-1/2 is a standard-curing, standard-density aerospace sealant supplied as a pint kit. This two-part, manganese-dioxide-cured polysulfide material is intended for fuel tank and fuselage sealing applications.

The thixotropic Class B formulation is designed for extrusion-gun or spatula application and provides adhesion to a range of coated and bare aircraft substrates. Once cured, it remains flexible and resistant to fuel, water and other aerospace fluids.

• Manufacturer part numbers: CS3204B1/2 PT; CS3204B1/2-PT
• Referenced specification: AMS-S-8802
• Class: B-1/2
• Typical minimum application time: 30 minutes at 25 °C and 50% relative humidity
• Typical tack-free time: 6–8 hours
• Typical cure time to 30A hardness: less than 24 hours
• Mixed colour: dark grey

Application and cure characteristics are typical values and vary with temperature, humidity, substrate preparation and process conditions. Consult the applicable maintenance data and the manufacturer’s technical documentation before use.

Documentation: Flamemaster CS 3204 Class B Technical Data Sheet.