プラスチックの耐熱性を測定する試験のひとつ。プラスチック試験片に規定された試験荷重をかけて一定の速度で伝熱媒体を昇温させ、 針状圧子が試験片の表面から1mm侵入したときの伝熱媒体の温度を測定する。
プラスチックの耐熱性を測定する試験のひとつ。プラスチック試験片に規定された試験荷重をかけて一定の速度で伝熱媒体を昇温させ、 針状圧子が試験片の表面から1mm侵入したときの伝熱媒体の温度を測定する。
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