Instron® MFi Series of melt flow index testers are specifically designed for easy and accurate measuring of Melt Flow Rate (MFR) and Melt Volume Rate (MVR) according to Melt Flow Rate testing procedure A, procedure B, procedure C and procedure D, determined by ASTM D1238 and ISO 1133 standards. To learn more, visit: https://www.instron.com/products/testing-systems/rheology/melt-flow-index-testers
