Yokohama's test lab wins 17025 accreditation

ERJ staff report (DS)

Tokyo - The Yokohama Rubber Co., Ltd.said it has been accredited to ISO/IEC 17025 for four types of tyre testing as of March 31 - all related to the EU tyre labelling requirements. Accreditation means that Yokohama's test data within the accredited scope are internationally recognised as being based on proper testing techniques, and allows the company to use a logo signifying accreditation on its published test reports.

The accreditation was carried out by by Perry Johnson Laboratory Accreditation, Inc.

The four specific procedures now accredited are:

Marking requirements, dimensional requirements, and load/speed performance tests of tyres for passenger cars (maximum speed more than 270 km/h)

Rolling resistance testing of tyres for passenger cars and light-trucks (load index of 104 or less) using force method

Adhesion performance testing on wet surfaces of tyres for passenger cars using a special vehicle.

Coast-by testing for measuring tyre-rolling sound emission of tyres for passenger cars and commercial vehicles of load index of 121 or less.

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Press release from Yokohama