JWG 14 - TC 101/JWG 14

ISO 20615:2018 This document specifies a method for determining the electrostatic charging propensity of fibre ropes by measuring the surface potential generated by tribocharging.
This document is not intended to be used to evaluate the safety of ropes for use in explosive atmospheres as safety also depends on application conditions.
The test method described in this document is only applicable to fibre ropes of diameter between 12 mm and 20 mm.
The result obtained using this test method is valid only for the charging mechanism and parameters described in the test method. Charging can be different in end-use applications.

ISO 18080-3:2015 specifies a test method using manual friction with measurement of frictional charge density on specimens of fabric. The test method is suitable for fabrics of all types of composition and construction that are capable of withstanding frictional charging. Some fabrics, e.g. fabrics of low strength or loose construction, may not be physically capable of withstanding the manual friction used in this test method or may give false results. In such cases, the test method described in ISO 18080-1 can be used to evaluate electrostatic propensity. The test method described may not be suitable for evaluating garments and garment materials in relation to safety of personnel and protection of electrostatic discharge sensitive devices.

ISO 18080-2:2015 specifies a test method using rotary mechanical friction with measurement of the friction-charged electrostatic potential on specimens of fabric. The test method is suitable for fabrics of all types of composition and construction that are capable of withstanding frictional charging. Some fabrics, e.g. fabrics of low strength or loose construction, may not be physically capable of withstanding the mechanical friction used in this test method or may give false results. In such cases, the test method described in ISO 18080-1 can be used to evaluate electrostatic propensity. The test method described may not be suitable for evaluating garments and garment materials in relation to safety of personnel and protection of electrostatic discharge sensitive devices.

ISO 18080-4:2015 specifies a test method using horizontal mechanical friction with measurement of friction-charged electrostatic potential on specimens of fabric and the time for that potential to decay. The test method is suitable for fabrics of all types of composition and construction that are capable of withstanding frictional charging. Some fabrics, e.g. fabrics of low strength or loose construction, may not be physically capable of withstanding the manual friction used in this test method or may give false results. In such cases, the test method described in ISO 18080-1 can be used to evaluate electrostatic propensity. The test method described may not be suitable for evaluating garments and garment materials in relation to safety of personnel and protection of electrostatic discharge sensitive devices.

ISO 18080-1:2015 specifies a test method using corona charging with measurement of the impressed peak voltage and charge decay time on specimens of fabric or all types of composition and construction. The test methods described may not be suitable for evaluating garments and garment materials in relation to safety of personnel and protection of electrostatic discharge sensitive devices.