... melt temperature are higher,but also fit for the plastics tests of polyethylenepolystyrenepolypropyleneABS resin and polyformaldehyde resin,etc, ... lower,it is widely applied to the fields of plastics materialsproductpetrochemical,etc,also the collegesscientific research unit and ... Series Melt flow rate apparatus adopts PID temperature control, digital display, it can cut material manual or auto., has ...