Rotational Molding: Durable, Seamless, and Cost-Effective Solutions

Rotational molding (roto-molding) is a highly versatile plastic manufacturing process that creates seamless, durable, and hollow components with uniform wall thickness. Known for its ability to produce large, complex parts with minimal material waste, roto-molding is an excellent choice for industries requiring weather-resistant, high-strength plastic solutions.

Why Choose Rotational Molding?

Unlike injection or blow molding, rotational molding allows for cost-effective tooling, making it an ideal solution for low- to medium-volume production (typically fewer than 500 parts annually). The simplicity of the molds reduces initial investment costs, and the process can accommodate large-scale designs that other plastic manufacturing methods cannot.

Key advantages of rotational molding:

Lower mold costs compared to injection molding

Ideal for large, single-piece plastic components

Cost-effective for smaller production runs

Seamless, high-strength construction with uniform wall thickness

Our Rotational Molding Capabilities

At Concept Sales Inc., we partner with top manufacturers to provide high-quality, precision-engineered roto-molded solutions for various industries. Our partners offer:

22 rotational molding machines (Ferry 190 - 650) ensure flexible production for projects of all sizes.

State-of-the-Art Machinery

Full-time engineers with 2D, 3D, and solid modeling capabilities to refine your product design.

Expert Engineering Team

Advanced inspection tools: ultrasonic thickness measurement, CNC measurement, leak detection, and first article reporting.

Precision Quality Control

In-house mold maintenance facility ensures efficiency and longevity of tooling.

Comprehensive Mold Maintenance

425,000 square foot facility with a dedicated delivery fleet serving the continental U.S.

Manufacturing Facility

Ready to explore how rotational molding can work for your project?

Get in touch today to discuss your requirements and find the right solution for your needs.

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Best Use Cases for Rotational Molding

  • Large, single-piece plastic products

  • Outdoor and agricultural applications that require weather resistance

  • Chemical and liquid storage solutions

Common Applications

Agricultural tanks

Bulk storage containers

Safety barricades & traffic barriers

Recreational & industrial equipment