Description

An MFI tester measures the melt flow rate (MFR) of thermoplastic polymers by determining how easily the material flows under heat and pressure. The tester forces a molten polymer sample through a die, and the amount of material extruded over a set period (usually 10 minutes) is measured. MFR is crucial for understanding a polymer’s viscosity and flow properties during processing, impacting applications like injection molding and extrusion. Accurate MFI testing ensures consistent product quality, helps optimize processing conditions, and guarantees material performance, making it essential for industries such as plastics, automotive, and packaging.

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