Smooth-On Smooth-Cast 327 : 2 Pint Unit! Color Match Liquid Plastic Kit As seen on Martha Stewart! Harden flowers etc with clear resin Clear resin can be tinted with Smooth-On So Strong Pigment for resin Can be used alone to coat surfaces for arts and crafts Can be brushed on or poured into a mold Easy to use! 1A:1B Ratio. 4 hour total cure time. 20 Minute Pot Life.