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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
Bond strength/peel force of laminates/multi-layer films/bondings (temperature range - 40 up to + 120 °C)
DIN 53357 A (historical)/ASTM F 904/DIN EN ISO 11339 peel test after separation of the laminated layers (accredited test method). In addition to determining the peel force to delaminate the laminate, we also evaluate and document the delamination characteristics resp. the delamination mechanism (peeling off of the printing ink?Remaining of the adhesive layer? Tearing of the film ? Transfer of ink to the opposite side of the material ? ...)
| test method: | Mechanical/ technological properties |
| Norms: |
DIN 55543-5 (2017-10) DIN EN ISO 11339 (2022-05) ASTM F 904 (2016) DIN 53357 (1982-10 (zurückgezogen)) |
| Needed sample size: | Sample over total width of material, minimum length: 0,5 m |
Standardprüfungen
bond strength/ ply adhesion acc. ASTM F 904Bond Strength or Ply Adhesion of laminates made from flexible materials acc. to ASTM- test parameters as averrage force. Note: It is known that the bednig stiffness acts on the result of the bond strength, so that a direct comparison of results found at different laminates, for example with different bending stiffness, can lead to misinterpretations.
Norm: ASTM F 904
bond strength/ ply adhesion acc. DIN 55543-5 (hist DIN 53357 A) (standard test)
Bond Strength or Ply Adhesion of laminates made from flexible materials acc. to withdrawn DIN 53357- A (without roller). The average bond strength then is calculated on the basis of 10 evenly over the measuring distance spread measurement points. Note: It is known that the bednig stiffness acts on the result of the bond strength, so that a direct comparison of results found at different laminates, for example with different bending stiffness, can lead to misinterpretations.
Norm: DIN 55543-5
peel strength acc. DIN EN ISO 11339 (T-Peel- Test)
Application: metal-based flexible materials.
Norm: DIN EN ISO 11339
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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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