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Corrugated medium testing, and particularly the flat crush test under TAPPI T 809, is essential for ensuring packaging strength, reliability, and compliance.
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Puncture resistance testing methods
Puncture resistance measures the ability of a material to withstand an actual perforation event, simulating damage from sharp or pointed objects.
Applications include:
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Loop tack test procedure
Sample preparation
Cut adhesive strips to the required length and width stated in the chosen standard. Condition the samples at the specified temperature and humidity before testing.
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Burst testing techniques and equipment
Compressive burst testing
In compressive burst testing, force is applied through a hemispherical probe until the material ruptures.
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Tensile testing and elongation at break measurement are essential for material performance evaluation, product development, and quality assurance.
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Industry applications
Automotive industry
Seat cushions - Testing confirms comfort, resilience, and long-term shape retention
Gaskets - Ensures seals remai
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Equibiaxial flexure compression testing via the concentric ring method is a powerful tool for evaluating material strength under realistic, multi-directional stresses.
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Why is torque to turn testing important?
Torque to turn testing plays a critical role in evaluating the performance, reliability and quality of rotating components.
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What is texture testing?
Texture testing is the instrumental measurement of a product’s physical response to an applied force.
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Introduction to tension methods
Tension methods are a core approach in texture analysis, used to measure how a material behaves when subjected to a pulling force until it deforms or fails.
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Key methods in shear stress measurement
There are several approaches to measuring shear stress, with rotational shear testing and torsion-based techniques among the most widely used.
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Test method and procedure
In a climbing drum peel test, one end of a bonded specimen is clamped to a rotating drum while the other end is fixed to the crosshead of the test machine.
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Introduction to closure torque testing
Closure torque testing measures the rotational force required to apply or remove a closure, such as a bottle cap, jar lid, or other sealing component, from its container.
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Interpreting results and ensuring accuracy
Accurate results rely on correct setup and consistent procedures:
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Evaluating mechanical properties
Flexural tests yield valuable data on strength, stiffness, and toughness. By examining stress-strain curves from flexural tests, engineers can assess:
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Share and analyse data
All test data can be automatically exported in a format of your choice, from text files and tabulated formats, to Microsoft Excel and email. Data can be exported directly through RS-232 for data-analysis packages.
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Case studies
Medical gloves - Manufacturers test to ASTM D412-16 to ensure gloves stretch over the hand without tearing and recover enough for a secure fit.
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Industry applications and case examples
Heavy industrial packaging - A manufacturer supplying boxes for machine components integrated routine CMT testing to track performance trends.
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What is peel testing
A peel test measures the force needed to separate two bonded materials, usually by applying force at a set angle until the adhesive bond fails.
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Benefits of standardised Delft tear testing
Consistency - Eliminates variation in testing methods for reliable comparisons.
Quality assurance - Demonstrates compliance with industry regulations and specifications.
R&D effici
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Tensile and compression testing are essential for understanding material behaviour and ensuring that components perform safely and reliably in their intended environment.
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Understanding peel resistance
Peel resistance is the force required to separate two bonded surfaces through a peeling motion. This force is measured using a tensile test system equipped with a peel fixture.
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Why is 180 degree peel testing important
Peel adhesion is critical to the performance and safety of many products.
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Introduction to compressive burst testing
Compressive burst testing is a specialised method for determining the maximum internal pressure a container can withstand before structural failure.
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Why flexural strength is important
Flexural strength testing is a vital tool for ensuring material reliability and safety in end-use conditions.
Applications across industries: