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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
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Information about tests
Tear resistance (also folded edges), (temperature range - 40 up to + 120 °C)
Methods available: trapezoid, trouser, on request: FhG leaflet 6 part 9 (folded edges, trapezoide - extra charge!), Graves
| test method: | Mechanical/ technological properties |
| Norms: |
DIN EN 17679 (08-2022) DIN 53363 (zurückgezogen) (2003-10) DIN ISO 34-1 (2004-07) FhG Merkblatt 6 Teil 9 (1981-02) ASTM D 1938 (2019) DIN EN ISO 6383-1 (2016-05) |
| Needed sample size: | Sample over total width of material, minimum length: 0,5 m |
Standardprüfungen
tear strength ASTM (trouser test, sample width 25 mm)Quasistastic test method by using a tensile tester, suitable for characterisation of all rigid and soft plastic films up to 1 mm thickness. Not suitable for brittle materials. Can also be carried out in the thermal chamber.
Norm: ASTM D 1938
tear strength DIN EN ISO 6383-1 (trouser test, sample width 50 mm)
Quasistastic test method by using a tensile tester, suitable for characterisation of all rigid and soft plastic films up to 1 mm thickness. Not suitable for brittle materials. Can also be carried out in the thermal chamber.
Norm: DIN EN ISO 6383-1
tear strength of folded edges, trapezoid- method
Quasistatic test method by using a tensile tester, particularly suitable for characterisation of the resistance of folded edges of flexible films. Not suitable for brittle materials. Can also be carried out in the thermal chamber.
Norm: IVLV Merkblatt No. 6 Teil 9
tear strength -Graves
Quasistastic test method by using a tensile tester,particularly suitable for characterisation of elastomeric- films or - sheet up to 1 mm thickness. Not suitable for brittle materials. Can also be carried out in the thermal chamber.
Norm: DIN ISO 34-1
tear strength- trapezoid
Quasistastic test method by using a tensile tester, suitable for characterisation of all rigid and soft plastic films up to 1 mm thickness. Not suitable for brittle materials. Can also be carried out in the thermal chamber.
Norm: DIN EN 17679
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Examinations in this area
- Abrasion test of printings acc. Dr. Ruf method
- Air permeance (Gurley)
- Anti-dew (anti-fog) test
- Bending stiffness
- Blocking test/blocking strength
- Bond strength/peel force of laminates/multi-layer films/bondings (temperature range - 40 up to + 120 °C)
- burst resistance (Mullen) paper
- Characterisation of stretch hood and stretch wrapping films by hysteresis tensile test (only in stretching direction, e. g. generally in TD)
- Cling adhesion of stretch wrap films, agricultural stretch films, catering films, cling films and other cling films
- coefficient of friction COF
- Compression test on cups, buckets and basins (temperature range - 40 up to + 120 °C)
- Creep test
- Curling or flatness
- Curvature of films
- Determination of thickness of plastic films, aluminium foils, plane multilayer-materials and sheets
- Determination of weight
- Dimensions and repeating patterns on pouches, bags etc.
- Drop test of bags and pouches
- Evaluation of flatness, curvature and wrinkling of plastic films - strip method
- Fat permeability/fat density
- Fat-repellent impregnation of paper, lipophobic properties, Kit test
- FINAT peel adhesion
- Gelboflextest/Brugger KFT
- Grammage, yield
- Impact resistance by free-falling dart method (Dart Drop), staircase method
- Impact resistance by the free-falling dart method – Instrumented puncture test
- Indentation hardness (Shore hardness)
- Light fastness/ Wool (blue) scale - artificial irradiation by filtered xenon arc light
- Linear dimensional changes/dimensional stability/temperature stability of films and sheets
- Printing ink adhesion (Tesa test)
- Printing inks and coatings/ lacquers- Fastness;Suitability tests, resistance, hot alkali resistance
- Puncture resistance, quasi-statical (temperature range - 40 up to + 120 °C)
- Roughness acc. Bendtsen
- Seal resistance of printings or coatings (heat resitance)
- Seal seam quality of PE- pouches or sacks (temperature range -40 to +120 °C)
- Seal strength, tensile test on strips (temperature range -40 to +120 °C)
- Sealing and welding properties of films, verification and comparison by laboratory sealing press
- Sealing seam strength of peelable bags, sacks, sealed packages with package testing device for determining the opening forces
- Sealing/welding properties of films/hot-tack test of films
- Shear strength of glued seams (temperature range - 40 to +120° C)
- Shrinkage of PE films (Betex tester)
- Smoothness according to Bekk
- Sterilisation/pasteurization in laboratory autoclave
- Storage test in temperature-controlled room under standard atmospheres23°C/ 50 % r.h.
- storage test/ accelerated aging in explosion protected heating chamber (controlled temperature)
- Storage test/accelerated ageing in climate chamber (controlled temperature and relative humidity)
- Storage test/accelerated ageing in lab drying oven or refrigerator (controlled temperature)
- Surface resistance/resistivity
- Tear resistance (also folded edges), (temperature range - 40 up to + 120 °C)
- Tear resistance (Elmendorf)
- Tensile test aluminium films
- tensile test films and laminates (temperature range -40 to +120 °C)
- Tensile test paper wet strength
- Tensile test paper, sealing strength of paper samples
- Tensile-impact strength
- Unpacking barness of cups (hollow bodies)
- Volume determination of carrier bags and pouches
- Water absorption of paper/Cobb test
- Weathering test - wet smear resistance of printed peat culture, substrate and humus packaging
- Wetting tension (e. g. for determination of Corona treatment intensity)
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