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Custom Rotational Molding In House Testing For Quality Over Quantity. View More Hoppers and Bins have a new home at!

Design / Engineering

SmaK Plastics uses the latest tools Available for design work, coupled with our vast resources; we are capable of solving any problem, from a single part design to fully assembled systems.

  • Design capabilities (3-D & Solidworks)
  • From stand alone parts to complex sub assemblies
  • Tooling to match customers needs


Detailed instructions provided for every project making emphasis in quality over quantity to ensure high quality products. In-house resin testing and part testing along with process validation PPAP (Production Part Approval Process).

  • PPAP
  • Densiometer
  • Color Proof
  • Drop Dart Impact testing
  • Material Flow and Density
  • UT Measurement
  • Destructive testing
  • Nylon toughness test
  • Tanks leakage testing
  • Customer specific testing requirements
  • Process control

Mold Building

SmaK has the ability to build your mold in-house or broker your mold.

  • Fabricated Molds: large and simple shapes.
  • Cast Aluminum Molds: complex shapes and high cosmetic requirements.
  • CNC Aluminum molds: Small parts, with high dimensional tolerances.

We keep all of our clients molds in a secured covered storage area to protect their assets.


Includes three rotational molding machines, a secondary urethane foaming operation, and multiple secondary / assembly stations.

  • Manufacture parts from inches to 10 feet in diameter
  • Short lead-times
  • High through put
  • Short & extended runs
  • Stocking programs: Kanban and Forecast bills

Secondary Services Include

  • Decorating
  • Urethane Foam
  • Automated Trimming
  • Assembly
  • Electro-Mechanical Assembly
  • Fulfillment


  • Polyethylene’s
  • LDPE
  • Cross link HDPE
  • Polyethylene Foam
  • EVA Co-Polymer

Nylon / Carb Approved

  • Nylon 6, 11, and 12
  • Nylene IM
  • Polypropylene
  • PVC
  • Engineered resins available upon request
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