Tests, dimensions

For feed materials, we test the following at the input to the recycling line:

  • Humidity
  • Volatile substances
  • Melt flow index
  • XRS analysis
  • Ash content
  • Polymer identification using the DSC analysis
  • Density
  • Bulk density

Tests feasible for all types of re-granulates (line output):

Parameter Tested by
Melt flow index ČSN EN ISO 1133-1 Determination of the mass and volume index of thermoplastic melt flow – Part1: Standard method
Density ČSN EN ISO 1183-1 Plastics – Methods to determine the density of non-expanded plastics – Part 1: Immersion method, liquid pycnometer method and titration method
Bulk density ČSN EN ISO 60 Plastics – Determination of the bulk weight of compression-moulding materials passing through a standard funnel
Ash content ČSN EN ISO 3451-1 Ash Determination – Part 1: General methods
Volatile substances ČSN EN ISO 787-2 General testing methods for pigments and filling agents – Part 2: Definition of volatile substances at 105 °C
Heavy metal content

Internal methodology TE-4582-15 based on X-ray fluorescence spectroscopy (XRF)

Related standard IEC 62321 Electro-technical products – Determination of the level of six substances with limited use

Tests feasible for injection types of re-granulates:

Parameter Tested by
Injection moulding of test pieces ČSN EN ISO 294-1 Plastics – Injection-moulding of test pieces from thermoplastics – Part 1: General injection-moulding principles of multipurpose test pieces and test pieces of rectangular prism shape
Notch resistance Charpy ČSN EN ISO 179-1 Determination of impact strength using the Charpy method – Part 1: non-instrumented impact test
Stress-strain properties

  • elasticity module
  • strength and relative elongation at yield point
  • tension and relative elongation at break

ČSN EN ISO 527-1 Determination of stress-strain properties – Part 1: General principles

ČSN EN ISO 527-2 Determination of stress-strain properties – Part 2: Testing conditions for moulded plastics

ČSN EN ISO 13934-1 – Textiles – Stress-strain properties of fabrics – Part 1: Determination of max. force and stretchiness at the maximum force using the Strip method