Flamemaster Chemseal CS415 B-1/2 Fuel Tank Sealant - Quart Kit

Flamemaster Chemseal CS 415 B-1/2 is a two-part, aluminium-coloured polysulfide sealing compound supplied in a quart kit. It is designed for sealing external aircraft seams, depressions and gaps where weather tightness and aerodynamic smoothness are required.

The uncured material is thixotropic, low-sag and suitable for application by extrusion gun or spatula. Once cured, CS 415 Class B provides flexibility and resistance to jet fuel, water and other aerospace fluids.

• Manufacturer part number: CS415B1/2 QT
• Two-part, manganese-dioxide-cured polysulfide compound
• Aluminium/silver-grey mixed colour
• B-1/2 grade with a minimum application time of 30 minutes at 25 °C and 50% relative humidity
• Typical cured service-temperature range: −54 °C to +121 °C
• Flamemaster internal specification based on MIL-S-38228 and other customer requirements

Refer to the applicable maintenance data, technical data sheet and safety documentation before use.

Manufacturer documentation: CS 415 Class B Technical Data Sheet