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Master Bond adhesives

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Reynolds Smooth-Cast® 327 Ultra Low Viscosity Liquid Plastics
Categories: Polymer; Thermoplastic

Material Notes: Product Overview: 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™, UVO™ or Ignite™ colorants. 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.

Information provided by Reynolds Advanced Materials

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.07 g/ccASTM D-1475
Viscosity 100 cPMixed; ASTM D-2393
Linear Mold Shrinkage 0.0075 in/inASTM D-2566
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 72ASTM D-2240
Tensile Strength, Ultimate 3170 psiASTM D-638
Elongation at Break 10 %ASTM D-638
Tensile Modulus 140000 psiASTM D-638
Flexural Strength 3100 psiASTM D-790
Flexural Modulus 95700 psiASTM D-790
Compressive Strength 3080 psiASTM D-695
Compressive Modulus 32200 psiASTM D-695
 
Thermal PropertiesOriginal ValueComments
Heat Distortion Temperature 50.0 °CASTM D-648
 
Processing PropertiesOriginal ValueComments
Cure Time 2.00 - 4.00 hourHandling Time
Pot Life 10.0 - 20.0 minASTM D-2471
 
Descriptive Properties
ColorClear Amber
Mix Ratio115A:100Bby weight
 1A:1Bby volume
Specific Volume25.9[cu. in./lb.]

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PREYN024 / 296725

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