Evaluation of test methods for anti-electrostatic footwear and its reflection in the revision of JIS T 8103

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  • 静電気帯電防止靴の試験方法の評価と改正JIS T8103への反映
  • セイデンキ タイデン ボウシグツ ノ シケン ホウホウ ノ ヒョウカ ト カイセイ JIS T 8103 エ ノ ハンエイ

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Abstract

In Japan, there was previously only one standard for anti-electrostatic footwear, JIS T 8103:2001 before 2010. However, an international standard for such footwear, IEC 61340-4-3, was published in 2001 and another JIS standard identical to the IEC standard, JIS C 61340-4-3:2009 had been established in 2009. The measuring methods specified in JIS T 8103 and IEC 61340-4-3 are quite different. To investigate whether both methods can give the same values or not, a variety of measurements regarding the resistance of footwear were carried out. As a result, if the same weight is applied, both methods show in good agreement. In addition, considering the temperature characteristics of shoe materials, the upper limit of resistance at 0 °C should be ten times larger than that at 23 °C. Another simple test method which had been used for one hundred percent inspection by the manufacturers was also evaluated and a certain level of difference from the regular methods was made clear. These results and consideration were reflected in the revision of JIS T 8103 in 2010.

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