Important Announcement

Reynolds Advanced Materials Concrete is currently experiencing a phone outage. Please use our contact us form if you have questions. Thank you.

Holiday Notice - President's Day

Reynolds Advanced Materials will be closed Monday, February 19th in observance of President's Day. Resuming normal operations on Tuesday, February 20th.

Holiday Notice - Easter

Reynolds Advanced Materials will be closed Friday, March 29th in observance of Easter Weekend. Resuming normal operations on Monday, March 30th.

Holiday Notice - Memorial Day

Reynolds Advanced Materials will be closed Monday, May 27th in observance of Memorial Day. Resuming normal operations on Tuesday, May 28th.

Holiday Notice - Independence Day

Reynolds Advanced Materials will be closed Thursday, July 4th and Friday, July 5th in observance of Independence Day. Resuming normal operations on Monday, July 8th.

Holiday Notice - Labor Day

Reynolds Advanced Materials will be closed Saturday - Monday, August 30th - September 1st in observance of Labor Day. Resuming normal operations on Tuesday, September 2nd.

Holiday Notice - Thanksgiving

Reynolds Advanced Materials will be closed Thursday - Saturday, November 27th - 29th in observance of Thanksgiving. Resuming normal operations on Monday, December 1st.

Holiday Notice - Christmas

Reynolds Advanced Materials will be closed Wednesday 12:00PM - Saturday, December 24th - 27th in observance of Christmas. Resuming normal operations on Monday, December 29th.

Holiday Notice - New Year's

Reynolds Advanced Materials will be closed Thursday - Saturday, January 1st - 3rd in observance of New Year's Day. Resuming normal operations Monday, January 5th.

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
  1. Watch Video
    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.
    Smooth-Cast 320 - Trial Size
    Net Weight: 1.9 lbs
    $23.44
    Smooth-Cast 320 - 1 Gallon Unit
    Net Weight: 15.4 lbs
    $115.64
    Smooth-Cast 320 - 5 Gallon Unit
    Net Weight: 77 lbs
    $455.51
  2. Watch Video
    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
    Smooth-Cast 321 - Trial Size
    Net Weight: 1.9 lbs
    $23.28
    Smooth-Cast 321 - 1 Gallon Unit
    Net Weight: 15.4 lbs
    $117.35
    Smooth-Cast 321 - 5 Gallon Unit
    Net Weight: 77 lbs
    $465.24
  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
    Smooth-Cast 322 - Trial Size
    Net Weight: 1.9 lbs
    $23.43
    Smooth-Cast 322 - 1 Gallon Unit
    Net Weight: 15.4 lbs
    $115.67
    Smooth-Cast 322 - 5 Gallon Unit
    Net Weight: 77 lbs
    $455.41

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

Videos

How-to videos can educate and improve your mold making skills.

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