Melt flow index Tester is used to determine the melt mass-flow (MFR), the melt volume-flow rate (MFV) and the melt density of thermo resin.The apparatus fits for the standards of GB 3682, ISO 1133, ASTM D 1238, ASTM D 3364, من 53735, UNI-5640, JJB878, and made according to JB/T5465: Technical Standard of Melting Flow Rate Instrument