Harden fiber blanket for mold making. 1 quart container.

Mold Hardener Quart

Designed to harden fiber paper mold constructions. Apply to the fiber mold with a brush and cure at 175 degrees F until surface is hard. Mold surface can be sanded to a smooth finish. Repeat the process, and the mold will be ready for firing to 1300 degrees F (704 degrees C). 1 quart