Fiber Mold Hardener - 1 Quart

Description

Size: Quart
Use in conjunction with fiber paper mold, construction,
as a rigidizer (esp. with fiber blanket #4124).
Mold hardener is applied to the fiber mold with a brush.
Fire to 500°F and sand the surface. Repeat the process, the mold will
be ready for firing to 1300°F.