Smooth-Cast™ 320 Series

Smooth Cast 320 series plastics are ultra-low viscosity resins that yield castings that are off-white. Vacuum degassing is not necessary and they offer the convenience of a 1:1 mix ratio. Your fully cured castings are machinable and paintable. Smooth-Cast plastics offer tremendous versatility and economy. They are easy to use and you can add different colors and/or fillers for an infinite variety of mind-blowing effects. Perfect for casting detailed models, props and cast effect pieces.

Smooth Cast 320 series Smooth Cast 320 series
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    Smooth-Cast™ 320
    Smooth-Cast™ 320
    Fast-setting off-white low viscosity liquid plastic. 1A:1B by volume mix ratio. 3 minute pot life and 10 minute cure time.
    Free Shipping
    Smooth-Cast 320 - Trial Size
    Net Weight: 1.9 lbs
    $24.17
    Free Shipping
    Smooth-Cast 320 - 1 Gallon Unit
    Net Weight: 15.4 lbs
    $119.22
    Smooth-Cast 320 - 5 Gallon Unit
    Net Weight: 77 lbs
    $477.83
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    Smooth-Cast™ 321
    Smooth-Cast™ 321
    Medium-setting off-white low viscosity liquid plastic. 1A:1B by volume mix ratio. 9 minute pot life and 30 minute cure time.
    WARNING: Prop 65
    Free Shipping
    Smooth-Cast 321 - Trial Size
    Net Weight: 1.9 lbs
    $24.00
    Free Shipping
    Smooth-Cast 321 - 1 Gallon Unit
    Net Weight: 15.4 lbs
    $120.99
    Smooth-Cast 321 - 5 Gallon Unit
    Net Weight: 77 lbs
    $488.04
  3. Watch Video
    Smooth-Cast™ 322
    Smooth-Cast™ 322
    Slow-setting off-white low viscosity liquid plastic. 1A:1B by volume mix ratio. 15 minute pot life and 4 hour cure time.
    WARNING: Prop 65
    Free Shipping
    Smooth-Cast 322 - Trial Size
    Net Weight: 1.9 lbs
    $24.16
    Free Shipping
    Smooth-Cast 322 - 1 Gallon Unit
    Net Weight: 15.4 lbs
    $119.26
    Smooth-Cast 322 - 5 Gallon Unit
    Net Weight: 77 lbs
    $477.73

Quick Tech Specs

Smooth-Cast™ 320

  • Mix Ratio By Volume 1A:1B
  • Mix Ratio By Weight 100A:90B
  • Pot Life 3 minutes
  • Cure Time 10 minutes
  • Shore Hardness 70 D
  • Color Off White

Smooth-Cast™ 321

  • Mix Ratio By Volume 1A:1B
  • Mix Ratio By Weight 100A:90B
  • Pot Life 9 minutes
  • Cure Time 30 minutes
  • Shore Hardness 70 D
  • Color Off White

Smooth-Cast™ 322

  • Mix Ratio By Volume 1A:1B
  • Mix Ratio By Weight 100A:90B
  • Pot Life 20 minutes
  • Cure Time 4 hours
  • Shore Hardness 70 D
  • Color Off White

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