West System H209 Super Slow Hardener for R105 Epoxy Resin

฿16,680 ฿19,460 14% off
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Product Description

West System 209 Extra Slow Hardener for R105 Epoxy Resin is formulated for general coating and bonding applications in extremely warm and / or humid conditions, or when extended working time is desired at room temperature.  It provides approximately twice the working time of 206 Slow Hardener, and forms a clear, amber-coloured solid with good physical properties and moisture resistance for bonding and coating applications.  It is not intended for clear coating.

Mix Ratio: 1 Part hardener (H207 or H209) to 3 parts resin by volume / 3.5 parts resin by weight.


Hardener 5:1

Hardener 3:1


Product #


Product #


Product #

500 mL


100 mL

HA205 Fast

160 mL

HA207 Special Coating

HA206 Slow

HA209 Extra Slow

1 L


200 mL

HB205 Fast

330 mL

HB207 Special Coating

HB206 Slow

HB209 Extra Slow

4 L


800 mL

HC205 Fast

1.33 L

HC207 Special Coating

HC206 Slow

HC209 Extra Slow

20 L


4 L

HD205 Fast

6.7 L

HD07 Special Coating

HD206 Slow

HD209 Extra Slow

200 L


40 L

HF205 Fast

67 L

HF207 Special Coating

HF206 Slow

HF209 Extra Slow

For more specific application guidance, please refer to the Product Data Sheet and Engineering Data.

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