209 EXTRA SLOW HARDENER

209 Extra Slow Hardener® is formulated for use with WEST SYSTEM 105 Resin or general coating and bonding applications in extremely warm and/or humid conditions or when extended working time is desired at room temperature. Provides approximately twice the working time of 206 Slow Hardener. 105/209 forms a high-strength, moisture-resistant solid with excellent bonding and coating properties. Not intended for clear coating.

Description

209 Extra Slow Epoxy Hardener – Slow Epoxy Hardener Malta

The 209 Extra Slow Epoxy Hardener is a specially formulated epoxy resin hardener designed for use with WEST SYSTEM 105 Epoxy Resin. It is ideal for bonding and coating applications in extremely warm or humid environments, offering an extended working time for precision and ease of use. If you’re looking for a Slow Epoxy Hardener Malta, this product ensures strong adhesion and moisture resistance, making it perfect for marine and structural applications.

Why Choose 209 Extra Slow Epoxy Hardener?

Compared to 206 Slow Hardener, the 209 Extra Slow Hardener provides twice the working time, allowing more flexibility when working on large or complex projects. When properly mixed with WEST SYSTEM 105 Epoxy Resin, it cures into a high-strength, moisture-resistant solid, making it a reliable choice for various industries, including marine, industrial, and composite bonding applications.

Key Benefits of 209 Extra Slow Epoxy Hardener:

✔️ Extended working time – Ideal for warm climates and large projects
✔️ High-strength bonding – Provides superior durability and adhesion
✔️ Smooth application – Allows precise adjustments before curing
✔️ Moisture resistance – Perfect for marine and structural applications
✔️ Compatible with WEST SYSTEM 105 Epoxy Resin

Best Uses for Slow Epoxy Hardener Malta:

🔹 Boat building and marine repairs in high temperatures
🔹 Composite bonding for automotive, aerospace, and industrial applications
🔹 General epoxy resin coating where extended working time is needed

This extra slow epoxy resin hardener is not intended for clear coating, as it cures with a slight amber tint. If you require a clear epoxy finish, consider alternative WEST SYSTEM hardeners.

For more details, check out our Epoxy Resin Guide or explore the full range of WEST SYSTEM hardeners.

PROJECT USES:

  • Marine
  • Boat Repair
  • Bonding
  • Fabrication
  • Barrier Coating

CURE TIME:

  • Pot life (100 grams cupful):
    • At 25°C: 50 to 70 minutes
  • Working time (thin film):
    • At 25°C: 200 to 260 minutes
  • Solid state:
    • At 25°C: 20 to 24 hours

*Epoxy cures faster at higher temperatures and in thicker applications.

CURE TEMP:

  • Minimum recommended temperature: 18°C

PRODUCT SIZES:

  • 209-A: 0.29kg
  • 209-B: 1.45kg
  • 209-C: 7.2kg
  • 209-E: 64.5kg

*These sizes are 209 hardener sizes ONLY and exclude resin sizes

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