Sika SikaBiresin CH72-2 Medium Cure Hardener 607407 Pale Amber Quart

Brand new in original packaging.

• Two component, 100% solids epoxy hardener formulated for high performance composite lamination and repair.
• Medium cure formula provides about 43 minutes of working time at 77 F for controlled wetout and easy handling.
• Mixes with SikaBiresin CR72 resin at a 100:18 ratio by weight, roughly 5:1, for a strong, low viscosity laminate.
• Cures to a hard, durable finish with a Shore D hardness of 84 to 85 after a 7 day room temperature cure.
• Suitable for above and below waterline marine applications with excellent bond to fiberglass, carbon, and aramid fabrics.
• Pale amber colored liquid hardener packaged in a convenient quart container.
• Retains full performance for up to 2 years when stored unopened between 65 and 77 F.
• RoHS and REACH compliant, non-styrene formula ideal for wet layup, vacuum bagging, and infusion processes.

Specifications

What's Included

• One quart of Sika SikaBiresin CH72-2 Medium Cure epoxy hardener (CR72 resin sold separately)

Shipping & Returns

Fast, free shipping from our US warehouse.

Returns accepted per our store return policy.