Smooth-On Smooth-Cast 327
The Smooth-Cast® 325, 326 & 327 ColorMatch® Series plastics are fast-cast 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 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). 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.
|Mix Ratio By Volume||1A:1B|
|Mix Ratio By Weight||115A:100B|
|Specific Gravity||1.07 g/cc|
|Specific Volume||25.9 cu. in./lb.|
|Pot Life||2.5 minutes|
|Cure Time||10 minutes|
|Tensile Strength||3,170 psi|
|Elongation @ Break||10 %|
|Compressive Modulus||36,500 psi|
|Shrinkage||0.01 in. / in.|
|Tensile Modulus||140,000 psi|
|Flexural Strength||3,690 psi|
|Flexural Modulus||101,000 psi|
|Compressive Strength||3,500 psi|
|Shore Hardness||72 D|
|Heat Deflection Temp||120 °F|
|Mixed Viscosity||100 cps|
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