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Thermoplastics and thermosetting molding materials

  • A key aspect of the characterization of molding materials is the inter-laboratory reproducibility of test results.
  • Specimen production, specimen shapes, and test sequences are all specified in detail,
  • with rigorous demands on both repeatability and traceability.
  • In the area of quality control, the development of properties over time and compliance with specified tolerances are the essential evaluation standards.
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Important tests in the characterization of molding materials

Tensile Tests on Plastics

ISO 527-1, ISO 527-2
to Tensile Tests on Plastics

3-point flexure test plastics

ISO 178
to 3-point flexure test plastics

Quasi-static tests

Tensile Tests on Plastics

ISO 527-1, ISO 527-2
to Tensile Tests on Plastics

Tensile Tests on Plastics

ASTM D638
to Tensile Tests on Plastics

3-point flexure test plastics

ISO 178
to 3-point flexure test plastics

3-point flexure test plastics

ASTM D790
to 3-point flexure test plastics

Tests at increased and high strain rates

Notched Charpy impact test on plastics

ISO 179-1, ISO 179-2
to Notched Charpy impact test on plastics

Izod impact test plastics

ASTM D256
to Izod impact test plastics

Notched Izod impact strength plastics

ISO 180
to Notched Izod impact strength plastics

Tensile impact test plastics

ISO 8256, ASTM D1822
to Tensile impact test plastics

Tensile tests at high strain rates

ISO/CD 22183, ISO 18872, SAE J 2749
Crash simulation
to Tensile tests at high strain rates

Plastics puncture test

ISO 6603-2, ISO 7765-2, ASTM D3763
to Plastics puncture test

Creep tests

Creep test plastics

ISO 899-1, ISO 899-2, ASTM D2990, ISO 16770
to Creep test plastics

Rheological and thermal properties, hardness

Melt flow index test plastics

ISO 1133-1, ISO 1133-2, ASTM D1238
Determination of Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR)
to Melt flow index test plastics

Determination of HDT VST plastics

ISO 306, ASTM D1525, ISO 75, ASTM D648
Determination of heat deflection temperature (HDT) and Vicat softening temperature (VST)
to Determination of HDT VST plastics

Hardness tests plastics

ISO 7619-1, ISO 868, ASTM D2240, ISO 2039-1/-2, ASTM D785, ISO 19278
to Hardness tests plastics

Automation plastics

to Automation plastics

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The ZwickRoell Polymer Testing Lab

ZwickRoell supplies all types of equipment needed for the mechanical testing of plastics. This includes equipment to determine static, dynamic and high-speed properties such as tensile, flexural, compression and shear, as well as creep machines for the long-term application of force or strain, instruments to measure impact properties, such as conventional Charpy, Izod and tensile-impact.
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