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ISO 9563:2015 specifies the maximum and minimum electrical resistance of antistatic endless and open ended synchronous belts. This International Standard provides guidelines to allow testing of synchronous belts to prove their static conductive (dissipative) properties as well as a corresponding production control test method.

The application of this International Standard is limited to new belts intended to be used in an explosive atmosphere or in situations where there is a fire risk. The test is intended to ensure that the belt is sufficiently conductive to dissipate charges of electricity which may form on it in service.

In the case of a production control test, the decision is left to national standards or agreement between interested parties as to whether the test shall be carried out on each belt in a batch or on only a percentage of belts in a batch.

For each proof test, the belt manufacturer shall determine which type of electrode and conductive coating material shall be used.