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Product Details

West System 209 Extra Slow (Tropical) hardener is formulated for use with WEST SYSTEM 105 Resin 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. 209 cures to a clear amber-colored solid with good physical properties and moisture resistance for bonding and coating applications. Not intended for clear coating.

Tech Specs
Mix Ratio, Resin:Hardener3:1 by volume (3.5:1 by weight)
Pot life at 72 F (22 C)40 to 50 minutes
Pot life at 95 F (35 C)15 to 20 minutes
Cure to a solid state at 72 F (22 C)20 to 24 hours
Cure to a solid state at 95 F (35 C)6 to 8 hours
Cure to maximum strength at 72 F4 to 9 days
Minimum recommended temperature70 F (21 C)
Pumps required300, 306-23 or 309-3
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Overall Rating

4.7

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1 to 3 of 3 Reviews
1 – 3 of 3 Reviews
south east texas
5 out of 5 stars.

twice buy

8 months ago
ordered the resin only by mistake and after contacting some one at the office. I was able to order the correct hardener for my area, with the pump system. The produce worked great for what I was needing.
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Albuquerque, New Mexico
4 out of 5 stars.

What I needed.

5 years ago
Building radio control model planes and need to ""fill in the gaps"" with this and micro balloons. Have not used. Just got it, as suggested by another modeler, to have available when the ""filling"" begins.
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Florida
5 out of 5 stars.

Must-have for the novice!!!!

11 years ago
Allowed me plenty of time to get transom in and secured before it started gelling and curing. Transom is now bulletproof! And in 90+ degrees!
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Questions

1 - 2 of 2 Questions

Q: i have .98 105 resin how much 209 slow hardner do i need?

11 years ago
1 Answer

A: 3 to 1 by volume. IT,S excellent for longer work time.

11 years ago
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Q: which resin and hardner is best for painting ?

11 years ago
3 Answers

A: I use pigments mixed into west system.

11 years ago
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