Is Rotational Molding Right For You?

If you are considering creating a plastic product, then no doubt you’ve asked yourself: What is the difference between rotational molding, injection molding, and blow molding? How do they compare in cost per unit, lead times, design flexibility, product consistency, and up front costs? Which option provides the most flexibility for short lead times and complex geometries? How do these plastic molding methods differ, and how are they alike? These are common questions about plastic molding, so we decided to create a simple tool that can help you understand the differences and similarities in a an easy to understand way.

Injection Molding Roto Molding Blow Molding
Large Industrial Parts
Design Flexibility
Uniform Wall Thickness
Thick Structural Wall
Complex Geometries in Single Seamless Part
One Piece Hollow Parts
Stress Free, Low Pressure Properties
Short Lead Times
Stone-effect Colours
Load-Bearing Properties
Molded-in Inserts
Molded-in Graphics
Cost of Tooling
Price per Unit (Short Run)
Price per Unit (Extended Run)


The conclusion of the matter is this: plastic is incredibly flexible in its application, and no doubt a great solution for your business. But which process is best depends very much on your particular business needs and the nature and complexity of the parts you need. For example; if your product is complex and your require smaller runs per order, then Rotational Molding is right for you. If you are not concerned with large up front tooling costs and need larger runs per order, then injection molding or blow molding may be right for you. Confused? Give us a call, we can help!