September 12, 2018


Everything You Need To Know About Rotational Molding

Plastic molding is the process or technique used for making plastic products. There are a bunch of techniques that are used for varied needs, of which rotational molding has emerged as one of most cost-effective and useful methods. Here’s a quick overview of rotational molding, with pros, cons and other aspects.

Basic advantages at a glance

Typically, rotational molding is used for making hollow plastic parts, but manufacturers have found it to be effective for making extremely durable plastic products. Since the products are made in a mold that’s rotated over an oven, these usually have uniform thickness and tend to be extremely durable. Bins, tanks, manholes, and bulk containers can be made easily with rotomolding. With rotational molding, it is possible to make products in bulk and without high costs of molds. Also, experts agree that this is the best choice when it comes to creating unique products, and it can be used for both large and small product manufacturing needs alike.

Other positive aspects

As far as design is concerned, rotational molding allows manufacturers and sellers to create complex designs in no time. If required, one can get metal inserts within the mold, which further adds to the strength of the product. There is no denying that rotational molding is extremely cost effective, and the tool expenses are considerably low as compared to injection molding. When a certain kind of finish is required, the same can be done, and there is enough scope to add more elements, like graphics and logos. The paint doesn’t chip or crack and can withstand high pressure. You can choose to compare this with other forms of plastic molding, and some more relevant details can be found at

On the flip side

Many argue that rotational molding does take considerable time, but if you compare that with injection molding, the time aspect isn’t much of a concern. Also, in some cases, it can be a bummer that the powder form of material must be used for production, which means the plastic material must be converted into the plastic form. Only a few selected kinds of materials can be used for making the products, so that be considered as a limitation, although manufacturers have found ways to use the technique for creating varied products, including manholes.

If you are planning to produce products and plastic parts in bulk using rotomolding, check online to find reliable manufacturers first.

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