Miscellaneous:
  • Hardness measurement (Vickers, Rockwell, Shore)
  • Hardness curves, microslicing, embedding, slice preparation
  • Determination of total halogen content in accordance with DIN 51409 Cl, Br, I
  • Determination of the AOX content in water
 
Incoming goods inspection
The tests are carried out in accordance with predefined testing procedures. The test methods entail one-time costs.

Polyurethane components:

Hardeners
  • Viscosity
  • Identity
Resin
  • Viscosity
  • Identity
  • Ignition residue
  • Density
Storage trials
  • Ozone test, e.g. duration 96 h, temperature 38 °C, ozone 50 pphm
  • Dust test in accordance with SAEJ 726, 8 h, 25 °C
  • Salt spray test: 5% NaCl, 35 °C, 24 h
 
General
  • Storage trials
  • Artificial aging at 60 °C or 70 °C in accordance with van't Hoff's law
  • pH value
  • Flash point determination in accordance with DIN ISO 2529
  • Determination of calorific value
  • Determination of heat value without hydrogen content

Gas chromatography

  • Overview chromatogram
  • (column and detector problem optimized)
  • Determination of organic emissions in accordance with PV 3341 or VDA 277
  • Determination of residual ethylene oxide in accordance with DIN EN ISO 10993-7
  • Determination of epichlorohydrin in accordance with DIN EN ISO 10993-7
  • Determination of azocolourants in textiles by means of 21 amines by analogy with DIN 53316
  • Determination of substances on activated carbon
  • Determination of solvent
  • Determination of siloxanes in solvent

Liquid chromatography

  • Overview chromatogram (RP column, UV detector)
  • Determination of formaldehyde in accordance with GME 60271 PV 3925