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Cytec DAPCO 18-4F Silicone Firewall Sealant

Cytec DAPCO 18-4F Silicone Firewall Sealant

Made for use during aircraft construction, repair and maintenance, Cytec DAPCO 18-4F silicone firewall sealant can be used for filleting, coating and sealing materials. This firewall sealant is made up of a two-part, solvent-free silicone compound. The uncured product is a thixotropic paste that can be applied using a spatula or an extrusion gun. DAPCO 18-4F is free of lead, fire-retardant and resistant to weathering and harsh conditions. It also protects your aircraft with its resistance to most chemicals that are common to the aerospace industry and immunity to phosphate ester fluids. In addition to being repairable, this sealant provides excellent performance at extreme temperatures. It can withstand low temperatures down to -65 degrees Fahrenheit and high temperatures up to 400 degrees Fahrenheit.

Approvals, References and Specifications
  • Boeing Specification: BMS 5-63 Rev. N, Form B, Class B-4, Type I
Features
  • Two-component, solvent-free, thixotropic silicone paste
  • Free of lead
  • Fire-retardant
  • Resistant to weathering
  • Great performance at low operating temperatures
  • Resistant to chemicals common to aerospace industry
  • Repairable
  • Immune to phosphate ester fluids
  • Temperature rating: -65 degrees Fahrenheit to 400 degrees Fahrenheit
  • Adhesive to a variety of substrates when primed with DAPCO 1-100
  • Compatible with DAPCO 2100
  • Color: Part A - dark green, Part B - blue, Mixed - dark green
  • Solids: 100 percent
  • Consistency: Thixotropic paste, when mixed
  • Density: 12.2 pounds per gallon, when mixed
  • Shelf life at 77 degrees Fahrenheit: 12 months
Specifications
Typical properties
PART APART BMIXED
Color:Dark GreenBlueDark Green
Solids, %:100100100
Consistency:Thixotropic PasteViscous LiquidThixotropic Paste
Density, lb./gal:12.59.012.2
Shelf Life at 77F:12 months12 months
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Part Number
DAPCO18-4F-200GM
Size
200 mL A+B Kit
Price
$142.27
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Certification
Country of Origin: USA
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Part Number
DAPCO18-4F-PT
Size
Pint A+B Kit
Price
$249.07
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Certification
Material Safety Data Sheet:
MSDS1
Country of Origin: USA
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Part Number
DAPCO18-4F-QT
Size
Quart A+B Kit
Price
$484.14
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Certification
Material Safety Data Sheet:
MSDS1
Country of Origin: USA
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