Poly 1512X Liquid Plastic Mudtoolsbrand applying light pressure over surface

applying light pressure over surface to minimize entrapped air

Smoothing surface easily after using ST5: Rake or by itself

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self-hardening clay

Poly 1512X Liquid Plastic Mudtoolsbrand applying light pressure over surfacePoly 1512X Liquid Plastic is a two part, liquid polyurethane resin that cures (RTV) to a white, Shore D71 plastic. This product has a simple 1A: 1B mix ratio by weight. When cured, it has the feel and density of hard wood or thermoplastics. Poly 1512X is a pourable plastic, but it can be easily thickened with PolyFiber II Thickener for brush on application. For a slower setting version, consider Poly 1512 Liquid Plastic. TDS Part A SDS Part B SDS