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Roto Moulding Inserts

Roto Moulding Inserts

Roto moulding inserts, also known as rotational moulding inserts, are specialized components used to enhance the strength and versatility of rotational moulding products.

Purpose and Function:

The main purpose of roto moulding inserts is to provide additional strength, stability, and functionality to rotational moulding products. These inserts are typically made of durable materials like Brass and are strategically placed inside the mould before the rotational moulding process. During rotational moulding, the inserts become integrated into the moulded product, creating a secure foundation for attachments, fasteners, or other components.

Features and Benefits:

  1. Enhanced Strength:Roto moulding inserts significantly improve the mechanical strength and load-bearing capacity of rotational moulding products, making them suitable for various applications.
  2. Versatility:With a wide variety of insert designs and configurations available, roto moulding inserts offer versatility for incorporating functional features, mounting points, or threaded connections into the finished products.
  3. Time and Cost Efficiency:By incorporating functional features during the moulding process, roto moulding inserts reduce the need for secondary assembly operations, saving time and manufacturing costs.
  4. Uniform Wall Thickness:Roto moulding inserts help maintain uniform wall thickness throughout the moulded product, ensuring consistent strength and performance.
  5. Material Compatibility:Roto moulding inserts are designed to be compatible with various rotational moulding materials, including polyethylene, PVC, and other thermoplastic materials.


The installation of roto moulding inserts involves the following steps:

  1. Preparation:The rotational moulding mould is designed to accommodate the roto moulding inserts. The inserts are positioned inside the mould cavity in the desired locations.
  2. Rotational Moulding:The rotational moulding process begins, where the mould is rotated and heated to melt the thermoplastic material. The melted material coats the inner surface of the mould, including the roto moulding inserts.
  3. Cooling and Solidification:The mould continues to rotate during the cooling phase, allowing the thermoplastic material to solidify around the roto moulding inserts, creating a strong and integrated connection.


Roto moulding inserts find applications in a wide range of industries, including automotive, agriculture, recreational equipment, water storage, and more. They are used in products like water tanks, storage containers, playground equipment, and various other rotational moulding products.