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PET Flake Clumping Evaluation according APR PET-S-08 (Association of Plastic Recyclers)
During processing, PET flakes can be exposed to heat above 190°C up to 220°C. It is important that PET flakes do not stick together and form hard clumps when exposed to high temperatures and filled into a hopper. PET clumps can cause bridging in feed systems that prevent material flow. This test method can be used in the laboratory to evaluate whether low-melting polymers or other sources of contamination are present in washed and eluted PET flakes that can form clumps of PET flakes under heated conditions.
| test method: | Material analysis |
| Norms: |
APR PET-S-08 (2018-11) |
| Needed sample size: | minimum 1.5 kg material flakes, washed, required |
Standardprüfungen
Low pressure evaluationNorm: APR PET-S-08
Evaluation under load
Norm: APR PET-S-08
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Your contact person
Matthias Böhne
+49 441 94986-11
matthias.boehne@innoform.de
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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