本机适用于各种材料的耐高温水性试验，材料经本水槽一定时间之温水浸渍试验后，观察是否变质，表面有无起泡，褪色，膨胀等现象，以判定品质，亦可测验前后之重量变化率。 The oil bath is designed for determining the oil resistance of various materials. Together with other devices, you can measure physical change in length, mass or strength.