- Test methods
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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
Tear resistance (Elmendorf)
The examination of the tearing behavior by using the Elmendorf Tear Tester is a dynamic (impact) test. It is e. g. suitable for verifying the effectiveness of easy opening devices on plastic bags, and assessing the influence of stretching processes or reduced wall thickness on film properties. The test can be performed on paper, films, flexible laminated films etc.
| test method: | Mechanical/ technological properties |
| Norms: |
ASTM D 1922 (2023) DIN EN ISO 1974 (2012-09) DIN EN ISO 6383-2 (2004-10) |
| Needed sample size: | Sample over total width of material, minimum length: 0,5 m |
Standardprüfungen
tearing resistance elmendorf method/ plasic films and flexible laminatesNorm: DIN EN ISO 6383-2
tearing resistance elmendorf/ paper samples
Norm: DIN EN ISO 1974
back to overview Mechanical/ technological properties
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Your contact person
Matthias Böhne
+49 441 94986-11
matthias.boehne@innoform.de
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)
- 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
- Weathering test/lightfastness - artificial irradiation in the laboratory device/UV test
- Wetting tension (e. g. for determination of Corona treatment intensity)
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