Redline Plastics

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Manitowoc, WI  |  920-645-0461

At Redline Plastics, customers are at the core of everything we do. You need a reliable, multi-faceted supplier to get your customers the right product at the right time. When you work with Redline, you get a dedicated account manager backed by a team of manufacturing and fulfillment experts who work hard every day for you.

Now with facilities in the upper Midwest (Manitowoc, WI) and the Southeast (Hartwell, GA), Redline is poised to meet or exceed your needs as a supplier.

Complex products? We pride ourselves on our unique, multi-capability mix:

  • Rotational Molding: complex parts, tight tolerances, and large parts up to 181 inches. In-mold graphics, specialty-colored resins, and color-matching. We work with common and specialty resins:
    • Cross-Linked Polyethylene – used for high impact resistance and strength, like diesel fuel tanks
    • LLDPE (Linear Low-Density Polyethylene) – most popular choice for products
    • HDPE (High Density Polyethylene)
    • Nylon – used for items like hydraulic tanks
    • PVC (Polyvinyl Chloride)
  • Vacuum Forming: large format molding with ABS, HDPE, HIPS, TPO, HMWPE, and Weather Pro-G up to 120”
  • Fiberglass Reinforcement: on-site resin and fiberglass layup and finishing
  • Compression Molding: Two hydraulic compression molding presses with a platen size of 60” x 30”
  • Cut & Sew: 10,000 ft2 sewing room with industrial cutter. Embellishments, embossing, and upholstery from skilled sewing techs
  • Design Engineering: full-service design engineering and prototyping with large-format 3D printer
  • Secondary: Finishing, 5-axis CNC, assembly, warehousing, and shipping.

Our unique toolkit of equipment and expertise allows many of our customers to streamline their supply chains. They’ve found that they can rely on Redline to make and assemble multiple components, reducing time-to-market and shipping costs… not to mention headaches!

Rotational Molding Power Pages

Rotational Molding

Blow Molding

Rotational molding, commonly referred to as "rotomolding", is a plastic casting technique used to produce large hollow, seamless, and double-walled parts. It is a three-stage process that involves a mold on a rotating frame, a heating chamber, and a cooling chamber. Molds for the rotomolding process are specially designed....

Blow Molding

Blow Molding

Blow molding is a type of plastic forming process for creating hollow plastic products made from thermoplastic materials. The process involves heating and inflating a plastic tube known as a parison or preform. The parison is placed between two dies that contain the desired shape of the product...

Compression Molding

Compression Molding

Molding is a manufacturing process that uses a mold - the latter being a solid container used to give shape to a piece of material. It is a forming process. The form is transferred from the mold to the material by...

Plastic Molding Processes
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