Analysing methods

Mechanical analyses :

  • Hardness - Shore A and D
  • Traction - Lloyd Instruments LR
  • Impact - (Zwick), 21 joules max - packaging between -40°C and +23°C

Physical-Chemical analyses :

  • Proportioning of volatile gases
  • Infra-red spectroscopy – Scientific-Nicolet iS10 thermo (with ATR and Transmission)
  • UV Spectroscopy
  • DSC - TA Instruments TA Q100
  • HPLC - Perkin Elmer 410, Perkin Elmer 200
  • Karl Fisher Humidity - 688 KF and 707 KFMetrohm
  • TGA - TGA50 Shimatzu thermogravimetry
  • Chromatography Phase Gas - Perkin Elmer

Characteristics analyses :

  • Fluidity Index
  • Bulk density or pycnometric density
  • Cinder residue (under N2 or air)
  • Melting point of materials (PE, PP, PA, PBT, additives, etc.)
  • Dispersion of additives, dispersion of load
  • Contamination level
  • Colorimetry - Macbeth M 2020 PL
  • Stereo – LEICA M165C electronic microscopic imagery
  • Microscope: LEICA DM 2500M

Fireproofing :

  • Limiting oxygen index (L.O.I.)
  • UL94

Film extrusion :

  • "Cast"-type extruder with a 25mm diameter and 25 L/D
  • "Blown"-type extruder (35mm diameter)

Mixers :

  • Grill
  • HAAKE internal mixer

Polytechs : Zone Industrielle de la Gare, BP 14, 76450 Cany Barville, France - Tél. : +33 (0)2 35 57 81 82. Fax : + 33 (0)2 35 57 81 95