Description
West System 206 Slow Hardener is a hardening agent formulated for use with West System epoxy resin in composite repair and layup work. It extends pot life compared to faster hardeners, giving you more working time to wet out fiberglass cloth, position components, and complete detail work before the epoxy begins to gel. Slower cure schedules also help minimize exothermic heat buildup in thick sections, reducing the risk of resin degradation or warping in large repairs.
This hardener is commonly chosen by aircraft owners and maintenance shops for composite patching, wing fairings, cowling repairs, and fiberglass component fabrication where rushed assembly isn’t practical. Pair it with the correct ratio of West System epoxy resin according to the manufacturer’s technical data to ensure proper cure and mechanical properties. Verify compatibility with your specific repair substrate and confirm any airworthiness limitations or repair approvals applicable to your aircraft before use.
