Sika SikaBiresin® CH72-2 Medium Cure Hardener, Quart (Pale Amber)

Achieve superior composite structures with the SikaBiresin® CH72-2 Medium Cure Hardener, an essential component of the high-performance SikaBiresin® CR72 Epoxy Laminating System. Engineered for demanding marine environments, this pale amber hardener ensures exceptional wet-out for lighter, stronger, and more durable parts with less maintenance. Its versatile formulation is ideal for professionals engaged in building and repairing high-performance boats, parts, and tooling. Upgrade your lamination process today for lasting quality.

• Optimized for Marine Composites: Part of the SikaBiresin® CR72 Epoxy System, delivering high fiber-to-resin ratios for robust composite structures.
• Effortless Application: Low viscosity promotes excellent material wet-out, ensuring thorough impregnation in wet layup, vacuum-bagging, and infusion processes.
• Versatile Curing Speed: Offers a medium cure time, providing process flexibility for various project requirements, complementing fast (CH72-1) and slow (CH72-3) hardener options.
• All-Weather Durability: UV resistant and suitable for continuous exposure, performing reliably both above and below the waterline.
• Enhanced Adhesion: Forms an excellent bond with all types of fabrics, including aramid fibers, for resilient laminate construction.
• Eco-Conscious Formulation: RoHS and REACH compliant with a non-styrene composition, meeting stringent environmental standards.

Recommended Pairings: Use with SikaBiresin® CR72 Resin for a complete high-performance epoxy laminating system. Consider SikaBiresin® CH72-1 (Fast) or CH72-3 (Slow) hardeners for different working times.