RX1-09-06554

Flamemaster Chemseal CS 415 Class B-2 is an aluminium-coloured, two-part manganese-dioxide-cured polysulphide sealing compound for external aircraft seams, depressions and gaps. It is designed to help provide weather tightness and aerodynamic smoothness on coated and bare aircraft substrates.

The uncured B-2 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: CS415B2 6OZ
• Specification reference: MIL-S-38228
• Class B-2: minimum application time of 2 hours at 25°C and 50% relative humidity
• Aluminium (silver-grey) cured colour
• Room-temperature-curing polysulphide compound
• Typical cured service temperature range: -54°C to +121°C
• Supplied as a 3.5 oz cartridge

Use in accordance with the applicable aircraft maintenance data and the manufacturer’s technical documentation.

Manufacturer technical data sheet: Flamemaster CS 415 Class B