Cytec Industries® Dapco Dapcocast 18-4-200GRAM

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.

Features:

• Environmentally friendly formulation, free of heavy metals and solvents
• Good adhesion to a variety of substrates when used with Dapco™ 1-100 Primer
• Excellent fire resistance, 2000°F (1093°C) catastrophic protection for 15 minutes
• Excellent weatherability
• Performance at low operating temperatures
• Good resistance to chemicals commonly used in aerospace applications
• Repairable with Dapco™ 2100 Primerless Firewall Sealants

Technical Information:

• Color Part A: Dark Green
• Color Part B: Blue
• Color Mixed: Dark Green
• Shop Life: 2 4 hours at or below 75°F (24°C)
• Consistency Part A: Thixotropic Paste
• Consistency Part B: Viscous Liquid
• Consistency Mixed: Thixotropic Paste

Specification:

Boeing BMS 5-63 Pratt & Whitney PWA36751