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#205-B Fast Hardener


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Hazard Shipping – Ships ground in U.S. Lower 48.
In stock online.
Model # 318378 | Mfg # 205-B

205 Fast Hardener is formulated for general coating and bonding applications at lower temperatures and to produce a rapid cure that develops its physical properties quickly at room temperature. Mixed with WEST SYSTEM 105 Resin at a 5:1 ratio, it forms a high-strength, moisture-resistant solid with excellent bonding and barrier coating properties. Not intended for clear coating. 0.86 quart.

  • 205 B-size Hardener should be paired with 105-B size Resin.

Selection Guide

#205-B Fast Hardener

Best Use Fast Hardener for 105 Epoxy Resin
Capacity 0.86 Quart
Cure Time 6 to 8 Hours (Working Time 60-70 Minutes) at 72 F
Type Hardener