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熔(rong)體(ti)流(liu)(liu)動(dong)(dong)(dong)速(su)(su)率(lv)(lv)測(ce)定(ding)儀也叫（熔(rong)體(ti)流(liu)(liu)動(dong)(dong)(dong)測(ce)定(ding)儀、熔(rong)體(ti)流(liu)(liu)動(dong)(dong)(dong)速(su)(su)率(lv)(lv)測(ce)試(shi)儀、熔(rong)體(ti)流(liu)(liu)動(dong)(dong)(dong)速(su)(su)率(lv)(lv)試(shi)驗(yan)機）。測(ce)定(ding)各種高聚物(wu)在粘流(liu)(liu)狀(zhuang)態時的熔(rong)體(ti)流(liu)(liu)動(dong)(dong)(dong)速(su)(su)率(lv)(lv)，在一定(ding)溫度和負荷下它適用于(yu)熔(rong)融溫度較高的聚碳酸脂、聚芳砜、氟(fu)塑(su)料、尼龍(long)等工程塑(su)料。