Rotomoulding, also known as rotational moulding, is a unique manufacturing process in which plastic powder is heated and rotated inside a mould to create hollow, seamless products.
From simple shapes to complex designs, rotomoulding offers unparalleled design freedom. The process consists of several steps, with every detail carried out with care and attention.
The manufacturing process starts with preparing the mould. The mould, usually made of aluminum or steel, is custom-made to accurately reproduce the desired shape and details of the final product.
At this stage, threads and
labels can also be added, so they become an integral part of the final product.
Once the mould is ready, plastic powder is placed into the mould. Polyethylene (PE) is the most commonly used material thanks to its strength, durability, and weather resistance, but other plastics or combinations are also possible.
The closed mould is then heated in an oven while it slowly rotates around two axes. The plastic powder melts and evenly coats the inside of the mould, creating a hollow product.
After the heating phase, the mould is cooled in a controlled manner while the rotation continues slowly. This ensures the plastic cools and solidifies evenly, which is important for the product’s structural integrity and helps prevent warping or deformation.
Once the plastic has fully cured, the mould is opened and the product is carefully removed. This requires craftsmanship to ensure the product comes out intact and without damage.
After the process, each product is carefully inspected to ensure it meets the required quality standards. Depending on the product specifications, post-processing may be carried out, such as adding openings, screw holes, or additional components.
Every unique product starts with a good conversation. Whether you already have a concrete design or you’re still brainstorming, our team is ready to think along with you and bring your vision to life. We love a challenge—so feel free to challenge us with your ideas!
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