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Redline Plastics LLC
United States
Rotational Molding: Hollow plastic parts formed by rotating heated molds
Textile & Soft Goods Engineering: Technical fabrics and industrial sewing
Thermoforming: Vacuum and pressure forming of heated plastic sheet
Vacuum Forming: Single-sided sheet forming using vacuum pressure over a mold

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Redline Plastics LLC is a turnkey custom plastics and cut-and-sew manufacturer headquartered in Manitowoc, Wisconsin, with additional operations in Hartwell, Georgia. Operating more than 370,000 square feet of total manufacturing and assembly facilities, the company supports OEMs across the United States.

The company combines heavy-gauge thermoforming and vacuum forming with rotational molding, compression molding, and commercial cut-and-sew operations, enabling customers to consolidate suppliers and acquire fully assembled, production-line-ready products.

  • Headquarters: Manitowoc, Wisconsin (additional plant in Hartwell, Georgia)
  • Facility Footprint: 370,000+ sq. ft.
  • Quality System: ISO 9001:2015 certified

Offer

Redline Plastics offers integrated manufacturing capabilities from prototyping through high-volume production:

  • Heavy-Gauge Vacuum Forming: Single-sheet vacuum forming handling thermoplastic sheet sizes up to 120 inches and thicknesses greater than 0.060 inches, replacing expensive cast metal or fabricated sheet metal assemblies.
  • Rotational Molding: Large-scale rotomolding equipment capable of forming parts up to 181 inches.
  • Prototyping & Additive Manufacturing: Large-format 3D printing and rapid functional prototype fabrication.
  • Secondary Processing: 5-axis robotic trimming, line bending, compression molding, insert bonding, and fiberglass-reinforced plastic (FRP) integration.
  • Textile & Industrial Sewing: Commercial industrial cut-and-sew operations for motorcycle covers, protective equipment, and textile enclosures.
  • Materials Formed: ABS, Acrylic/ABS, PC/ABS, HDPE, HIPS, TPO, HMWPE, decorative films, and multi-layer hybrid plastic sheets.
  • Fulfillment: Complete product kitting, mechanical assembly, quality validation testing, and direct-to-dock shipping.

Tags

vacuum forming
contract manufacturing
rotational molding
industrial sewing
heavy gauge thermoforming
robotic trimming
large-part forming
Industrial Specializations: Rotational Molding: Hollow plastic parts formed by rotating heated molds, Textile & Soft Goods Engineering: Technical fabrics and industrial sewing, Thermoforming: Vacuum and pressure forming of heated plastic sheet, and Vacuum Forming: Single-sided sheet forming using vacuum pressure over a mold
Headquarter/main address: 1434 South 59th Street
Manitowoc
Wisconsin 54220
United States
Get Directions
https://www.redlineplastics.com
Business Type: Custom Manufacturer
Ownership: Private
Employees: 50 - 99
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