DAPCO™ 18-4F is a two-component, solvent-free, thixotropic silicone paste. DAPCO™ 18-4F is most commonly used as a coating, sealant, or filleting material in the construction, repair, and maintenance of all types of aircraft. The product can be applied using a variety of methods and is especially useful where fire resistance, exposure to phosphate ester fluids, and/or exposure to extreme temperatures -65°F (-54°C) to 400°F (204°C) are major considerations.
The product is available in a variety of kit sizes including ¼ pint (200 grams), pints, quarts, gallons, and 55-gallon drums.
Features and benefits:
● Qualified to Boeing BMS 5-63
● Compatible with DAPCO™ 2100
● Lead-free
● Good adhesion to a variety of substrates when primed with DAPCO™ 1-100
● Excellent fire retardancy
● Weatherability
● Performance at low operating temperatures
● Good resistance to chemicals commonly used in aerospace applications
● Repairability