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Standards Development
Scope of the proposed deliverable.
This international standard (part 1 or part 2) specifies the method for measuring tread abrasion mass loss of a candidate tyre per unit distance travelled, under loaded conditions, by using vehicles on road (part 1) or an external drum tester (part 2). Each test method specified in Part 1 and Part 2 measures abrasion performance of a candidate tyre on the running mode representing vehicle driving conditions of the world.
The test method specified by Part 1 and Part 2 uses reference tyres.
The target is to define methods with the following characteristics:
- repeatable,
- reproducible,
- practicable,
- representative of worldwide driving environment,
- usable for regulation purpose (including market surveillance),
- cost efficient,
- aiming for having a correlation between the 2 test methods in line with driving conditions of the world,
In a world more and more concerned with well-being and health, tyre/road particle emission is becoming a growing concern. The debate on the relevance of tyre wear on the microplastic issue is still unsolved. In the meantime, as precautionary approach, it becomes essential to be able to measure with a better quality, economic and environmental efficiency the abrasion rate created by tyres when used on roads.
The purpose is to provide test methods that measure tyres abrasion per unit distance travelled, under precisely controlled test conditions and with repeatable and reproducible test result, by affordable testing costs and durations and aiming for providing equivalent results. In addition, responsible consumption is required for the tyre industry. Quantification of tyre abrasion leads to resource saving by reducing the amount of tyre raw materials used. As of today, internationally recognized reliable test methods for tyre tread abrasion do not exist.
This International Standard strongly supports the tyre tread abrasion regulations including but not limited to a UN regulation, by serving as a reference test method. Internationally recognized measurement method for tyre abrasion rate will allow to:
- better understand the product performances for abrasion, by measuring performances,
- improve the products having the lowest performances,
- implement regulations allowing to limit emissions and fairly inform the customers about the tyre performances.
The future standard will be developed in 2 parts:
1. one part describing an outdoor tyre test method using vehicles on road;
2. one part describing an indoor tyre test method on an external drum test machine.
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