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Hotline Fiber Mold Hardener

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Product Description

Used to harden fiber mold constructions. Easy to apply and sand 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 deg. F. 1 quart.

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