Retreading as a Sustainable Alternative to New Tires

Manufacture of materials for tire retreading

Tire retreading is a sustainable approach to extend the lifespan of tires and minimize environmental impacts by reducing waste. The processing aids used for the production of treads must not interfere with the later application of these onto the used tires.

Tire retreading is a process aimed at restoring used tires to a safe and efficient condition. Although the process is challenging and requires specialized equipment, it offers clear economic and ecological benefits that contribute to promoting mobility in an environmentally friendly manner. This process not only contributes to waste reduction but also enables tires to be used for longer periods, which is both economically and environmentally beneficial.

The first step in tire retreading is the inspection of the used tire. During this phase, damages such as cracks, bulges, or wear are carefully examined. Tires that are too damaged are sorted out and not retreaded to ensure safety.

After inspection, the tire undergoes an elaborate preparation process. Firstly, the old tread and other worn parts are removed. Then, the tire is thoroughly cleaned to remove all residues. This cleaning step is crucial for the adhesion of the new tread. There are two methods for tread renewal - cold retreading and hot retreading:

  • In the hot process, a new, non-vulcanized rubber compound is applied to the buffed tread area. This mixture is vulcanized under controlled conditions to ensure a firm and durable bond with the tire. The tread design is created according to the requirements of the tire, whether it's for use on the road, off-road, or for special applications.
  • In the cold process, a pre-vulcanized tread is bonded. These treads are typically manufactured in so-called multi-daylight presses, which are presses with multiple layers.

Hot retreading can only be performed once due to the thermal stress on the tire. Cold retreading can be repeated as often as desired, as long as the tire does not show any damage that would exclude it from being retreaded. Especially high-priced tires, such as those for airplanes, are often retreaded multiple times.

Release agents for unvulcanized tread blanks

For the production of treads for the cold retreading process, we have developed special products for application after the extrusion of the tread blank. In addition to the release effect during storage (whether rolled up or laid out long), these release agents also have aids for feeding into multi-daylight presses and a mold-releasing component. This significantly supports the molding and vulcanization process.


Delivery form:

Compatibility with BARBE equipment

Dilution Control System
Dilution Panel

Special properties

  • silicone-free


  • Separating agent for extrusion


  • IBC
  • canister


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These products are not required for the new production of tires. We also have a wide range of process aids for the manufacture of new tires.

Anti-tack for compounds for manufacturers of tire retreading materials

Manufacturers of tire retreading materials produce a wide variety of products, including typically pre-vulcanized tread strips, cushion gums, and raw rubber compounds for tire repair. The unvulcanized rubber compounds from which these products are made should be treated with pigment-free anti-tacks or those based on ultra-fine pigments. This requirement also applies to compounds specifically made and distributed for retreading with Orbitread® machines.

Anti-tacks for rubber compounds

An Orbitread® machine is a specialized piece of equipment used in the tire retreading industry. Its main purpose is to produce retreaded tires through a process often referred to as the "cold process." This involves applying a new tread to a carefully inspected and prepared used tire without vulcanizing or heating the tire.

The Orbitread® system allows for the new tread to be applied at room temperature onto the used tire, using a special adhesive layer to ensure a durable bond. This process is energy-efficient and environmentally friendly, as it eliminates the need for heating during the retreading process, thereby reducing energy consumption.

Orbitread® machines can be configured to work with various types of tires, including truck, bus, and even airplane tires. The technology behind these machines aims to extend the lifespan of tires while also reducing the cost of new tires, benefiting both consumers and businesses.

– Orbitread® is a registrered trademark of McNeil & NRM, Inc., Akron Ohio, United States

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