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All Technical Data
| Smooth-Cast™ 325 | |
|---|---|
| Product Type |
|
| Mixed Viscosity | 100 cps |
| Mix Ratio By Volume | 1A:1B |
| Mix Ratio By Weight | 115A:100B |
| Pot Life | 2.5 minutes |
| Cure Time | 10 minutes |
| Shore D Hardness | 72 |
| Specific Gravity | 1.07 g/cc |
| Specific Volume | 25.9 cu. in./lb. |
| Color | Clear Amber |
| Tensile Strength | 3,170 psi |
| Tensile Modulus | 140,000 psi |
| Elongation @ Break | 10 % |
| Compressive Strength | 3,500 psi |
| Compressive Modulus | 36,500 psi |
| Flexural Strength | 3,690 psi |
| Flexural Modulus | 101,000 psi |
| Shrinkage | 0.01 in. / in. |
| Heat Deflection Temp | 120 °F |
Product Description
Smooth-Cast™ 325
The Smooth-Cast™ 325, 326 & 327 ColorMatch™ Series plastics are urethane resins that were developed specifically for adding color pigments and fillers to achieve true color representation or filler effect. The ColorMatch™ Series is formulated “color neutral”. Small amounts of pigment will yield accurate, vivid colors from cured castings using So-Strong™ tints, UVO™ pigments or Ignite™ color pigments. The ColorMatch™ Series offers the convenience of a 1A: 1B mix ratio by volume and has a very low viscosity. Demold times range from about 10 minutes to 2-4 hours (depending on product, mass and mold configuration). Note: Large mass castings will get very hot and shrink more, depending on mold configuration.
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. 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.