Custom Rotomolded Marine Components
Engineered Rotomolded Solutions for OEM Boat Manufacturers
Elkhart Plastics designs and manufactures custom rotationally molded components for marine applications, including seating and storage solutions engineered for corrosion resistance, durability, and long-term performance. Through our partnership with our sister company Ameri-Kart, we also bring OEM boat manufacturers the fuel systems and marine water and waste tanks they already know and trust.
With in-house mold building, engineering support, and advanced molding technologies, Elkhart Plastics provides a full-service solution under one roof, helping streamline production, support metal-to-plastic conversion, and improve overall product performance. Our expertise across materials including LLDPE, HDPE, XLPE (cross-link), ABS, and nylon ensures each component is engineered with the right material for its application.
Our Products
Rotomolded Marine Components for OEM Manufacturers
Most Qualified Partner
Experts in Regulatory Compliance and Industry Standards
Our compliance expertise ensures OEM manufacturers bring compliant products to market efficiently while maintaining the performance and safety expected in marine applications.
Elkhart Plastics’ products meet or exceed standards established by organizations including:
- CARB (California Air Resources Board)
- USEPA (United States Environmental Protection Agency)
- USCG (United States Coast Guard)
- NMMA Certification Programs
- ABYC (American Boat & Yacht Council) standards
Why Choose Rotomolding for Your OEM Parts
Advantages of Rotational Molding for Marine Components
Corrosion-Resistant Materials – Rotomolded components resist corrosion from saltwater, moisture, and harsh marine environment, helping extend service life.
Seamless, Leak-Resistant Construction – Rotational molding produces seamless parts without welds or joints, reducing the risk of leaks in fuel tanks and liquid storage systems.
Design Flexibility – Rotomolding allows complex shapes and integrated features to be molded into a single component.
Durable, Impact-Resistant Performance – Rotomolded parts provide excellent impact resistance and structural strength for long-term reliability.
Simplified Assembly – By molding complex geometries as a single piece, rotomolding reduces the need for secondary fabrication, helping streamline manufacturing and assembly.
Custom Solutions
Simplify Complex Parts with Custom Rotational Molding
Develop durable, high-quality parts while simplifying production. Elkhart Plastics partners with OEM engineering teams to design and manufacture custom rotomolded components optimized for strength, reliability, and long service life.
