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Key methods of penetration resistance testing
Penetration resistance measures a material’s ability to resist intrusion by a probe or object under applied force without tearing, cracking, or losing functional integrity.
Applications include:
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Applications in demanding sectors
The strip method is used wherever fabric integrity under load is critical:
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Power and flexibility for your materials testing
Start measuring stress/strain, tensile, shear, flexure and compressive forces to evaluate your materials. It takes just a few minutes to create your own step-by-step test routines.
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Introduction to edge crush testing (ECT)
The edge crush test (ECT) is a standard method used to evaluate the edgewise compressive strength of corrugated fibreboard.
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Introduction to bridge torque
Definition and importance
Bridge torque refers to the rotational force required to shear the tamper-evident bridges or lugs that connect a screw cap to its locking ring.
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Types of peel tests
90° peel test
This method is used for flexible-to-rigid bonds, where the flexible layer is peeled away at a right angle to the substrate. It is common for:
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How is torque to turn testing performed?
Torque to turn testing typically involves mounting the test specimen in a secure fixture, aligning the axis of rotation, and applying torque until the component begins to move.
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Introduction to rotational shear testing
Rotational shear testing is a specialised method used to measure the torque or twisting force required to deform a material or component.
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Secant modulus compared to other moduli
Different moduli are used to describe the stiffness of materials, each calculated at different points on the stress-strain curve:
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Applications in industry
Engineering and manufacturing uses
Tangent modulus testing supports design validation and process control in sectors where materials operate near or beyond the elastic range, for example:
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CCT compared to ECT and FCT
CCT - Material-level test, used to assess raw medium quality before conversion into board
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What is the 90-degree peel test?
The 90-degree peel test is a mechanical method used to measure the adhesive strength between two bonded materials.
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Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.
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Mechanical properties and accuracy considerations
Tensile testing via the strip method reveals mechanical properties that determine how fabrics perform in use.
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FAQs about Ultimate Tensile Strength
What is ultimate tensile strength?
Ultimate tensile strength (UTS) is the highest amount of tensile stress a material can resist before it breaks.
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Introduction to torque testing
Torque testing is a vital part of packaging quality control.
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Software
VectorPro force testing software
VectorPro® software
VectorPro is our advanced force testing software package developed to perform tensile, shear, bend and compression tests on materials, components and products. Present measurement data graphically and share customised test reports…
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Methods for lap shear testing
Single lap shear test procedure
In a single lap shear test, two specimens are bonded with an adhesive in an overlapping configuration.
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Packaging
Mecmesin testing solutions for consumer (primary and secondary) and transit (tertiary) packaging.
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Electrical switches and connectors
Switches and connectors may be low-cost simple electro-mechanical devices but they are ubiquitous in millions of products and devices we use every single day.