Responsible and transparent

Certified production chain

The CERUB certification system is built for tyre recycling companies and other companies producing and delivering rubber materials derived from end-of-life tyres. By using the CERUB label, the organisation commits to executing a responsible and transparent production chain. The chain includes several stages from sourcing of old tyres to delivery of the produced rubber materials.

In sourcing, the end-of-life tyres are collected from collection points, such as tyre workshops, tyre shops, motor vehicle repair shops and motor vehicle dismantlers. The collection points collect disused tyres from motorists. In phase of sourcing, quality control is conducted to detect foreign materials and other deviations in the collected batch.  

Storing and sorting
The collected end-of-life tyres are transported from the collection point for storing. Before the tyres are processed into shreds, granulates or powder, the tyres are sorted by the type of tyre. In storing and sorting, quality control is conducted to detect foreign materials and other deviations in the stock.


The sorted end-of-life tyres are delivered to the treatment facility for processing. The processing includes size reduction, a treatment designed to reduce a tyre into smaller pieces or particles. One or several different technologies can be used. In processing, the particle size reduces, but the physical and chemical composition remain equivalent to virgin tyre. In processing, quality control is conducted to ensure that the produced rubber material meets the defined set of quality criteria, the material quality specifications.  

After processing, the produced tyre derived rubber is delivered for end-use with applicable user information. Material distribution to the markets can happen by the processing organisation, retailer or other actor selling or otherwise making the material available for end-use. Using the material is not part of the certification system.

Quality assurance and safety management
Every stage of the production chain includes quality control and safety management. The purpose of safety management is to ensure that the organisations’ operations are safe for the workers, the public and the environment. With quality control, the organisation makes sure that the produced tyre derived rubber meets the required quality. The material must meet the specifications set for the particular end-use purpose.