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Tensile test paper wet strength
DIN ISO 3781 determination of wet breaking load after immersion in water, calculation of relative wet strength relating to initial strength of paper conditioned under standard climate.
| test method: | Mechanicall properties |
| Norms: |
DIN ISO 3781 (2012-07) DIN EN 868-4-C (2017-05) DIN EN ISO 1924-2 (2009-05) |
| Needed sample size: | approx. 0,1 - 0,2 m² or 2 DIN A 4 sheets, minimum sample width resp. length 150 mm, optimum: paper samples over total material width, e. g. approx. 2 linear meters for a film width of 0.5 m |
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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)
- 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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