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Flat crush of corrugated medium (CMT test)
The flat crush test, also known as the Concora Medium Test (CMT), measures the maximum force a corrugated medium can withstand before flute collapse. In CMT testing, the medium is first formed into flutes using a laboratory fluter before testing.
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Step-by-step test methodology
Preparation
Sample selection - Choose representative specimens, avoiding faults unless deliberately testing them.
Specimen cutting - Cut to standard dimensions with a central slit of specified
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Applications of torque testing in packaging
Food and beverage: PET bottles, screw-top jars
Pharmaceutical: Child-resistant packaging, blister packs
Personal care: Tubes, pump dispensers
Chemical products: Industrial containers, tamper-evident closures
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Speak to an expert
Tensile testing and elongation at break measurement are essential for material performance evaluation, product development, and quality assurance.
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Standard test methods for floating roller peel
Several international standards define procedures for floating roller peel testing:
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Standards for extrusion testing
Although there are fewer dedicated standards for food extrusion than for plastics or metals, recognised guidelines help ensure repeatability and comparability. Examples include:
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Mecmesin’s breakaway torque testing equipment
Mecmesin offers a full suite of equipment to meet the torque testing needs of both R&D labs and production environments, from manual testers to f
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Importance of accurate torque measurement
Precise torque measurement is vital to:
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Why choose Mecmesin for breaking torque testing?
Mecmesin is a trusted provider of torque testing equipment for applications ranging from delicate electronics to industrial assemblies.
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Why Mecmesin for pull-off and pull-out testing
Mecmesin designs and manufactures tensile and adhesion testing equipment for both destructive and non-destructive pull-off and pull-out applications.
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How is bulk analysis testing performed?
Compression testing
Compression testing is used to assess how materials respond when compacted.
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Key test standards
Grab method testing is governed by several internationally recognised standards, including:
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Electronic components and assemblies
Electrical assemblies rely on a collection of electrical components that have been connected together on a PCB or other surface to perform a specific function.
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What is a universal testing machine?
To assess the quality of a finished product or component, it is often necessary to conduct multiple force tests.
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Analysing shear failure
Shear failure analysis identifies how a bond fails and gives insight into service performance:
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Why is the trapezoidal tear test important?
Tear resistance is a critical measure of a material’s durability, particularly in applications where the material may be subject to punctures, cuts, or repeated stress.
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Industry applications
Medical devices - Sterile packaging and protective barriers must resist both penetration and puncture to maintain sterility and patient safety.
Construction - Roofing membranes, concrete, and floor unde
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Support and calibration
Alongside equipment supply, Mecmesin provides consultation, custom fixture design, installation, operator training and ongoing calibration
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Best practices for rotational shear testing
Consistent methodology, accurate equipment and adherence to relevant standards are essential for meaningful results. Recommended practices include:
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What is top-load testing?
Top-load testing, also known as column crush testing, is a method used to evaluate the ability of a packaging component to withstand a vertical compressive force without deforming or failing.
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Mecmesin equipment for flexural strength testing
Precision systems for bending tests
Mecmesin’s electromechanical testers, including the MultiTest-dV and
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How is compression texture testing performed?
Test methods and parameters
A typical test places the sample on a stable platform beneath a compression plate or probe.
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The science behind chord modulus
Definition and importance
Chord modulus is determined by drawing a straight line, known as the chord, between two points on the stress-strain curve.
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Standards and regulations in shear testing
Several industry standards and protocols govern food shear testing, ensuring repeatable results and regulatory compliance. Examples include: