Flamemaster Chemseal CS415 B-1/2 Fuel Tank Sealant - 2.5 Oz. Cartridge

Flamemaster Chemseal CS 415 Class B-1/2 is an aluminium-coloured, two-part polysulfide sealing compound supplied in a 2.5 oz cartridge. It is designed for sealing external aircraft seams, depressions and gaps to support weather tightness and aerodynamic smoothness.

The B-1/2 material is manganese-dioxide cured at room temperature and has a thixotropic, low-sag consistency for application by extrusion gun or spatula. Flamemaster states a minimum application time of 30 minutes for this grade.

• Manufacturer part number: CS415B1/2 2.5OZ
• Referenced specification: MIL-S-38228
• Two-part, room-temperature-curing polysulfide sealant
• Aluminium (silver-grey) colour
• Designed for external aircraft seam, depression and gap sealing
• Stated resistance to fuel, water, weathering and other aerospace fluids
• Stated cured service-temperature range: -54 °C to +121 °C
• 2.5 oz cartridge

CS 415 B-1/2 and B-2 are supplied to an internal Flamemaster specification based on MIL-S-38228 and other customer requirements. Confirm suitability, surface preparation, mixing, application and cure requirements against the applicable maintenance data and the manufacturer’s current documentation before use.

Documentation: Flamemaster CS 415 Class B Technical Data Sheet.