本测试定方法是在规定温度 、荷重及活塞于柱桶内位置等条件下，以计时量测方法测定熔融塑料挤过依规定长度与直径及细孔模之速率，用来判别聚合物流率之挤出速率。 This tester is used to measure the rateof extrusion of molten resins through a die of specified length and diameter under prescribed conditions of tem-perature, load and piston position in the cylinder formeasuring the flow rates of polymer in producing process.