![]() ![]() Normally, the test conditions for measurement of melt flow rate are specified in the material standard with a reference to this standard. Procedure B is a displacement-measurement method. ![]() Procedure A is a mass-measurement method. This part of the standard specifies two procedures for the determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastic materials under specified conditions of temperature and load. Historical DIN EN ISO 1133-1:2012 Plastics - Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics - Part 1: Standard method (ISO 1133-1:2011) German version EN ISO 1133-1:2011
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