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DAPCO-18-4F (1-USpt-Kit)

FIREWALL SEALANT (1-US Pint-Kit)
AERO P/N: 102816
DAPCO-18-4F (1-USpt-Kit) DAPCO-18-4F (1-USpt-Kit)
Price matched Price matchedPrice matched based on current market rates, competitor pricing, or promotional adjustments.
Limited availability Limited availabilityLimited global stock availability due to production delays, high demand, or supply chain disruptions.
Total Global Stock: 157 Click here to see stock in hand across all our stock locations.
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UK 127
US - California 30
127 In Stockstock_locations_click_tooltip (UK)
30 In Stock (US - California)
Expiry Date: 17/Aug/2027
Expiry Date: 17/Aug/2027
Additional Stock Expected: 24/Oct/2026
Additional Quantity Available to Order: 200
$538.30 excl VAT
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Max qty per order: 20

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Max qty per order: 20

Introducing Dapco 18-4F, a high-performance, two-component silicone paste engineered for the aerospace industry. This versatile, solvent-free product excels as a coating, sealant, or filleting material, meeting BOEING BMS 5-63 standards. It offers superior adhesion with Dapco 1-100 and compatibility with Dapco 2100, ensuring durability in extreme conditions.
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Product Features
OEM
Solvay
OEM Part No.
DP18-4PT
Colour
-
Shelf Life in Months
12
Shelf Life in Days
360
UN No
-
Class
-
PG
-
ECCN
EAR99
Country of Origin
United States
Commodity Code
32149000
Product Type
Sealants

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Additional Product Information

Overview

DAPCO-18-4F is a high-performance aerospace silicone paste designed for sealing and coating components exposed to extreme conditions. Its two-component, solvent-free formulation ensures strong adhesion and long-term durability across a wide range of aircraft applications.

Key Technical Specs

  • Type: Two-component silicone paste
  • Form: Thixotropic, solvent-free
  • Compliance: Meets Boeing BMS 5-63
  • Adhesion: High when used with primer
  • Environmental: Lead-free formulation

Approvals & Specifications

  • Boeing BMS 5-63 compliant
  • Suitable for aerospace sealing applications

Typical Aircraft MRO / AOG Applications

  • Sealing aircraft components exposed to harsh environments
  • Protective coatings for structural parts
  • Repair and maintenance sealing tasks

Compatibility & Safety Notes

  • Compatible with primed metals and composites
  • Use appropriate primers for best adhesion
  • Follow standard PPE and handling procedures

Packaging & Procurement

  • 1 US pint kit
  • Two-component system for controlled application

Why DAPCO-18-4F is Chosen for AOG / MRO

  • High durability in extreme aerospace environments
  • Excellent adhesion and sealing performance
  • Compliant with key Boeing specifications

Practical Suggestions for Your Team (AOG Mindset)

  • Store kits for rapid sealing repairs
  • Ensure correct mixing before use
  • Apply with proper tooling for consistency

Manufacture / Aviation Spec Codes

  • Boeing: BMS 5-63
  • DAPCO-18-4F

Alternative Names & Descriptions

  • DAPCO Silicone Paste
  • BMS 5-63 Sealant
  • Aerospace Silicone Coating Compound
Restrictions
Restricted
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no

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  • Orders over £100 online are eligible for FREE UK Mainland delivery.
  • Collection for orders is available for all customers. At Checkout, please select 'Ex-Works/Collection'.
  • European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
  • Refrigerated shipping required for shipments going by sea or exceeding 7 days transit time.
  • For additional information, please see our shipping page.

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