Sika 607407 SikaBiresin CH72-2 Medium Cure Epoxy Hardener Quart

SikaBiresin® CH72-2 is a medium-cure epoxy hardener designed for high-performance marine composite applications. This pale amber hardener is part of the CH72 lamination system and offers an ideal balance between working time and cure speed for professional boat building, parts fabrication, and tooling projects.

Key Features:

• Medium cure speed provides balanced working time and curing properties
• Low viscosity formula ensures excellent wet-out of all fiber types
• UV resistant for durable above and below waterline applications
• Non-styrene formula for safer working environment
• Superior bond strength to fiberglass, carbon fiber, aramid, and other composite fabrics
• RoHS and REACH compliant for environmental safety
• Compatible with wet layup, vacuum bagging, and infusion processes

Applications:

• Marine boat construction and repair
• High-performance composite parts manufacturing
• Mold and tooling fabrication
• Aramid fiber laminate systems

This hardener is one of three cure speed options in the SikaBiresin® CH72 system, allowing fabricators to select the ideal cure profile for their specific application and environmental conditions. Mix with SikaBiresin® CH72 resin according to manufacturer specifications.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.