Due to the demand of increasing in productivity, the study of the pull-out capability of polymer melts has become more and more important for many processes in plastics production and processing. Melt pull-out, as occurs in film production, blow molding, deep drawing, calendaring / coating and fiber spinning, is one of the most common production processes alongside forming in shear and expansion flows in extruders and tools during extrusion and injection molding.

In order to improve these processing procedures, it is important to determine the elastic properties of the melt. Within this context, determination of the properties of just viscosity and even the melt index is not sufficient.

The outstanding elongation testing equipment from GÖTTFERT has meet the most important requirements of the test method as below:
• Short testing time
• Simple operation
• Elongation rates similar to the process conditions
• Suitability for product development
• Suitability for quality control

Available in: Malaysia, Singapore, Thailand, Vietnam and Indonesia
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  • Melt Elongation Testing Product


    It is well known that the elongational flow behavior, which dominates many processing techniques, cannot be determined from shear experiments. The patented Rheotens melt tensile testing technique has proven to be highly reproducible and sensitive and will differentiate even polymer melts showing differences in molecular structure, which cannot be detected with other analytical methods.

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    The D-Melt measurement system enables the determination of melt index and elongation viscosity in one measurement. The D-MELT instrument consists of a melt flow index tester mi40 and an integrated haul-off system.

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