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Clear Mold Frames for RTV Silicones & Urethane

Each frame set consists of 2 clear plastic plates, a U-shaped extruded aluminum frame with sprue forming button, and 2 heavy duty industrial rubber bands. Rubber compounds will not stick to the plastic plates as they often do with glass. Make molds 1-7/8" wide, up to 3" long. Available in four thicknesses.

For room temperature cure silicones and urethanes only.