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Seal strength, tensile test on strips (temperature range -40 to +120 °C)
Seal strength of machine-made sealings from pouches, sacks, packages, lidding films sealed on trays, cups etc. or sealing samples according DIN 55529 or ASTM F 88 (1 inch or 15 mm wide specimen), DIN EN 868 part 5 appendix D of medical packagings inclusive description of appearance of fracture.
| test method: | Mechanicall properties |
| Norms: |
DIN EN 868-5- D (2019-03) DIN 55529 (2012-09) ASTM F 88/ F 88M (2023) |
| Needed sample size: | min ca. 300 mm sealing/ welded seam resp. 10 packages |
Standardprüfungen
seal strength ASTM F 88 (1 inch specimen width)Sealed seam testing can be carried out either with 25.4 mm strip width and 300 mm/min test speed or with 15 mm strip width and 200 mm/min test speed. This is the first option.
Norm: ASTM F88
seal strength ASTM F 88 (15 mm specimen width)
Sealed seam testing can be carried out either with 25.4 mm strip width and 300 mm/min test speed or with 15 mm strip width and 200 mm/min test speed. This is the second option.
Norm: ASTM F 88/ F 88M
seal strength DIN 55529 Polyolefin films
Norm: DIN 55529
seal strength DIN 55529 laminated films, peel films
Norm: DIN 55529
seal strength DIN EN 868 part 5 appendix D (ASTM F 88) medical packages
Packaging for terminally sterilized medical devices- Sealable pouches and reels of porous materials and plastic film construction- Requirements and test methods
Norm: DIN EN 868-5- D
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Matthias Böhne
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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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