Home Analyses & equipment Haake Polylab Rheotens

Haake Polylab Rheotens

Using the same configuration as the filament extrusion line, our Haake is also capable of measuring the melt strength of thermoplastics. A device, the rheotens, is mounted underneath the capillary die. When a constant flow of polymer is established, The rheotens draws on the extruded filament. the force that is needed to extend the extrudate a certain length is proportional to the melt strength of the polymer used.

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