|Five Gallon Kit
|Mix Ratio by Weight
|Mix Ratio by Volume
|25.9 cu. in./lb.
|Elongation @ Break
|Heat Deflection Temp
The ColorMatch Series also readily accept fillers (such as URE-FIL 3 from Smooth-On). Because of its neutral color, Smooth-Cast 325 is ideal for creating marble and wood grain casting effects, or duplicating the look of real metal by adding bronze, brass or other metal powder (see Smooth-On technical bulletin for metal cold casting). Applications for the ColorMatch Series plastics include making pigmented prototype models or figures, special effect props, reproducing small to medium size sculptures, decorative jewelry, etc.
How do I remove release agent from my cured urethane casting if I want to prime or paint the casting?
Removing a silicone-based release agent from your cured urethane casting is not easy. The most effective way is to sand blast or bead blast the surface of your casting. However, sand blasting removes a micro thin layer of the casting's surface. If not done properly, you can damage or remove fine detail. Soap Wipe or brush the casting with a soap that has high alkali content. Cascade brand dishwashing gel is highly alkaline and also contains baking soda, which is an advantage. Solvents Wipe or brush the casting with Acetone, Toluene, Isopropyl Alcohol or Mineral Spirits.
Follow all safety precautions when using flammable liquids. You can then prime and paint your casting.
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