Pearl Ex 12 Color Set #1 juststeel PMC™-724 rubber should not soften

PMC™-724 rubber should not soften appreciably for 2-4 years

and Black Oxide are good for making costumes and props look worn and dirty

no cooling off time needed

Option: Add Thi-Vex™ thickener for greater thixotropy – adding a small amount of Thi-Vex™ will thicken the rubber for filling deep undercuts and detail

Pearl Ex 12 Color Set #1 juststeel PMC™-724 rubber should not softenPearl Ex is a safe, inert pigment that exhibits extreme colorfastness and stability. The different particle sizes produce different effects, from a smooth pearly luster, to a highly metallic sheen. Pearl Ex creates a metallic effect without being a real metalit will never tarnish or fade! Note: Pearl Ex Powdered Pigments were specifically developed as an art material. They are NOT for cosmetic use. FABRIC FIBER SURFACES polymer clay, encaustics,