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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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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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Equipment and techniques
Accurate T-peel testing requires precise, calibrated instruments.
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Choosing the right tear testing equipment
Selecting the correct tear tester depends on the type of material, accuracy requirements, testing volume, and available budget.
Factors to consider:
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Cord, rope and netting
Cord, rope and netting all rely on their inherent strength to perform the essential tasks of tying, lifting and dragging.
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Case studies and real-world applications
In beef grading, Warner-Bratzler shear testing confirms tenderness classification, ensuring export standards are met.
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Testing methods and equipment
A cleavage strength test requires precise load application and accurate force measurement at the point of separation.
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Key test standards
Grab method testing is governed by several internationally recognised standards, including:
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Speak to an Expert
Compressive shear testing is essential for verifying adhesive bond strength, layered composite integrity, and internal shear resistance in structural materials.
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Take control of your torque testing
Torque testing is a way of determining how an object will react when it is being turned - during normal operation or being twisted until it deliberately fails or breaks.
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Speak to an Expert
The Concora Crush Test, as defined in TAPPI T 824, is a critical step in corrugated medium evaluation.
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Equipment and procedures
SCT testing equipment and tools
Accurate SCT testing requires equipment that can apply controlled and repeatable loads:
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Three-point vs four-point bend testing
In a three-point bend test, force is applied at a single midpoint. In a four-point bend test, two loading noses distribute the load over a larger section of the specimen.
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Applications of bursting strength testing
Ball burst testing is routinely used across sectors where material failure under localised stress poses a risk to performance or safety. Common application areas include:
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ECT vs BCT
While ECT measures the compressive strength of the board material, the box compression test (BCT) measures the strength
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Interpreting results and ensuring accuracy
Accurate results rely on correct setup and consistent procedures:
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Case studies - real-world applications
Medical vial stoppers
A pharmaceutical company tested rubber vial stoppers to ASTM F2132 to ensure they resisted accidental puncture during handling.
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Applications of short span compression testing
SCT is widely applied in quality assurance, R&D, and material qualification:
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Standards and compliance
Commonly referenced standards for tangent modulus testing include:
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Introduction to torque testing
Torque testing is a vital part of packaging quality control.
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FAQs
Find answers to common questions about syringe testing and ISO 11040-4:
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Speak to an expert
If you require loop tack testing to meet quality, performance, or compliance requirements, Mecmesin can provide the right solution for your application.
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What is Ultimate Tensile Strength in Materials Testing?
Ultimate tensile strength (UTS) refers to the maximum stress a material can endure while being stretched before it fails.
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VectorPro's key features
Design
Intuitive icon-driven interface and workspace
Advanced 'drag and drop' test routine builder
Personalised u
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Adapting to new materials
As new materials such as bio-based films, nanocomposites, and high-performance fibres emerge, testing methods must adapt.