... are higher,but also fit for the plastics tests of polyethylenepolystyrenepolypropyleneABS resin and polyformaldehyde resin,etc,whose melt ... are lower,it is widely applied to the fields of plastics materialsproductpetrochemical,etc,also the collegesscientific research unit ... ,and made according to JB/T5465Technical Standard of Melting Flow Rate Instrument.Tests performed:XRL-400 Series Melt flow ...