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

Flamemaster Chemseal CS 3204 Class B-2 is a two-part, fuel-resistant polysulfide sealant supplied as a pint kit. It is formulated for sealing integral fuel tanks, pressurised cabins, and other areas exposed to aircraft fuels, lubricants, oils, water, or weathering.

When cured at room temperature, CS 3204 forms a flexible, resilient grey rubber. The Class B formulation is a thixotropic paste designed to resist flow or sag on vertical and overhead surfaces.

• Manufacturer part numbers: CS3204B2 PT; CS3204B2-PT
• Specification reference: AMS-S-8802, Type II
• Class B-2: minimum application time of 2 hours under the manufacturer’s standard conditions of 25 °C and 50% relative humidity
• Pint kit format

For controlled use, surface preparation, mixing, curing, health and safety precautions, and suitability assessment, consult the applicable manufacturer technical bulletin and safety data sheet before application.

Manufacturer technical bulletin for CS 3204

Manufacturer safety data sheet for CS 3204 Class B