1.1本试验方法包括计算由于温度变化导致的液体煤焦油沥青体积膨胀或收缩量。 ====意义和用途====== 煤焦油沥青在不同温度下运输或储存，或两者兼有，因此需要采取措施将体积校正到规定温度。

1.1 This test method covers calculation of the amount of expansion or contraction of a volume of liquid coal-tar pitch due to a change of temperature. ====== Significance And Use ====== Coal tar pitch is shipped or stored, or both, at various temperatures, consequently a means is required to correct volume to a specified temperature.