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Evaluation of conformity
specific migration (SML)/ NIAS- Screening/ Single substance analyses/ GC- MS- analysis
Overall migration (OML), Sensory analysis, colour fastness, microbiology
Expert opinions and assessments (e.g. damage analyses), custom tests
Mechanical/ technological properties
Material analysis
optical tests
permeation
Information about tests
Oxidation stability (OIT) as oxidation induction time or oxidation induction temperature via DSC
ISO 11357-6 Determination of Oxidation resistance via xidation induction time (isothermal OIT) or oxidation induction temperature (dynamic OIT) by Diffential Scanning Calorimetry (DSC). In the isothermal method, the sample is heated under nitrogen atmosphere to a defined temperature, then switched to an oxygen or air atmosphere and the time until oxidation begins is measured. In dynamic testing, the sample is heated under an oxygen or air atmosphere at a constant heating rate until oxidation occurs. The temperature at which oxidation begins is measured.
| test method: | Material analysis |
| Norms: |
ISO 11357-6 (2018-03) |
| Needed sample size: | 100 mg |
Standardprüfungen
OIT dynamical (oxydation induction temperature)The sample is heated under oxygen or air atmosphere at a constant heating rate to oxidation, measuring the temperature at which the oxidation starts.
OIT isothermal (oxydation induction time)
The sample is heated under nitrogen atmosphere at a defined temperature, then switched to an oxygen atmosphere and the time until the oxidation begins measured.
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Examinations in this area
- Analysis of gels/ inclusions
- Analysis of particles (microplastic, metal particles, minerally particles, glass, etc.)
- Ash content of plastic materials (polyolefins)
- Beilstein test
- Bulk density of moulding compounds (apparent density)
- Coating quantity/weight of adhesives, lacquers, coatings, hotmelts, cold sealants
- Density of plastic materials
- DSC/thermal analysis: determination of glass transission temperature
- DSC/thermal analysis: melting and crystallisation behaviour
- Film construction/material characterisation - Analysis package at a fixed price
- GC-MS- Screening (non-target analysis) semiquantitative
- Infrared (IR) spectroscopy
- Melt index (melt - mass flow rate) MFR (MFI)
- Microscopic examination with light microscopy, photographic documentation included
- Microtome section/ cross-sectional image
- Moisture content/water content (residual moisture)
- Oxidation stability (OIT) as oxidation induction time or oxidation induction temperature via DSC
- PET Flake Clumping Evaluation according APR PET-S-08 (Association of Plastic Recyclers)
- Proof of plastic
- Recycling incompatibilities - Investigation of material-specific recycling incompatibilities - Analysis packages at a fixed price
- Solids content of printing inks, adhesives, lacquers (gravimetric)
- TGA-analysis (thermo- gravimetry)
- VA content determination in E/VA copolymers
- Verification of a given material specification
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