GÖTTFERT – IV-Tester

Determination of intrinsic viscosity (IV) in the quality control of polyester (PET), polyamide (PA) and polypropylene (PP).

GÖTTFERT - IV-Tester

Task definition

Determining the IV value using the chemical method is time-consuming. The solvents produced are harmful to health and difficult to dispose of.

With the IV Tester from GÖTTFERT, the average molecular weight and thus the intrinsic viscosity IV can be determined easily and cleanly. No chemical solvents are required.

Test equipment

ASTM D1238, ISO 1133, ISO 12418-2:2012

Test device

The IV Tester can be operated via a touch panel, meaning it can be used in production environments or laboratories without a PC and can be connected to the company network if required. The built-in displacement transducer measures the piston movement with maximum accuracy.

Options:

  • Die plug for low-viscosity materials (also heatable for polymers with high test temperature).
  • Melt cutting device
  • Nitrogen purge device for hygroscopic polymers
  • Corrosion-resistant or wear-resistant design of channel and piston

Downloads and links

Rheological testing equipment since 1962

GÖTTFERT Werkstoff-Prüfmaschinen GmbH was founded in 1962 by Prof. Dr. Otto Göttfert. In the second generation, his son Dr Axel Göttfert took over as sole managing director.
On the world market, the medium-sized company is known as one of the leading companies in the niche area of rheological testing equipment. The innovative rheological systems are used worldwide in laboratories as well as in production.
To be closer to many customers, a subsidiary was opened in Rock Hill, South Carolina, USA, in 1989. In 2011, GOETTFERT (China) Limited was founded with headquarters in Beijing and Shanghai.

Advantages at a glance

Precision and customer service make all the difference. GÖTTFERT and TeMeCo provide instruments and services on site.

High precision

No compromises when it comes to precision.

Intuitive handling

Modern equipment and intuitive handling.

Highest efficiency

Automated systems for less variability in results and less time spent by the operator.

After-Sale-Unterstützung

Fast response time and best support for questions and problems.

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