|Stained Glass • Fusing • Mosaics • Jewelry Supplies|
Used to harden fiber mold constructions. Easy to apply and can be sanded to a smooth finish. Fiber mold hardener can be used with all fiber products as a rigidizer; air or oven dry. Hardener with fiber products will not act as a glue, but gain surface strength after firing to 1300 degrees Fahrenheit. 1 quart.