本机适用于测试生胶、塑炼胶、混炼胶及橡胶类的塑性值和复原值。在规定温度下，经预热的一定尺寸的试样在两个平行板之间，于规定的时间内受给定负荷压缩，测定试样在施加负荷时及复原后的高度。 This tester is used to determine the plasticity and recovery of un-vulcanized rubber,uncompounded rubber,compounded rubber reclaim rubber.The speceimen is heated to a specified temperature through a prescribed time and then subjected to stipulated compressive force between two parallel plates for a specified time period.