JB/T 5456-2016 in English

This document specifies the technical requirements for melt flow rate instruments, including design, performance, calibration, and testing methods. It covers aspects such as structural requirements, measurement accuracy, environmental conditions, and operational procedures. The standard is applicable to instruments used for determining the melt flow rate of thermoplastic materials under specified conditions. It provides guidance on the selection, use, and verification of these instruments to ensure consistent and reliable measurement results. The content includes definitions, technical parameters, testing methods, and requirements for quality control and verification. This standard is intended to facilitate the proper use and maintenance of melt flow rate instruments in industrial and research applications.