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Coefficient of friction (COF) explained
Understanding the COF formula
The coefficient of friction (μ) is a dimensionless value calculated as:
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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:
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What is the box crush test?
The box crush test (BCT) is a widely used method for measuring the compressive strength of fibreboard packaging, particu
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Why Mecmesin for puncture and shear testing
Mecmesin offers testing systems for puncture and shear applications across films, fabrics, and boards. Our solutions are engineered for accuracy, repeatability, and compliance with international standards.
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Introduction to compressive strength testing
Compressive strength testing is essential for evaluating the ability of materials to withstand axial loads, which are forces that push or pull them.
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Measurement and testing methods
Techniques for measuring tangent modulus
Tangent modulus is measured during tensile or compression testing, w
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What is ultimate compressive strength?
Ultimate compressive strength is the maximum compressive stress a material can sustain before failure.
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Standards and guidelines
Accurate and comparable cleavage strength testing depends on following recognised international standards.
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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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Applications of compressive modulus testing
Compressive modulus data is essential in sectors where compressive stiffness determines performance and safety.
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Best practices in conducting cone penetration tests
Step-by-step procedure
Sample preparation - Condition the sample according to the standard, controlling temperature and humidity where required.
Equipment calibration - Confirm the
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Types of edge crush tests and methodologies
TAPPI and ISO standards
ECT is governed by internationally recognised standards that ensure accuracy, repeatability, and comparability of results.
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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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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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Standards for rotational shear testing
ASTM D3658
This standard specifies the method for determining the torque strength of adhesive bonds, particularly UV-cured adhesive joints.
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What is lap shear testing under compression?
Lap shear testing under compressive load is a mechanical test used to determine the strength of
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Why Mecmesin for removal torque testing
Mecmesin offers manual and automated torque testing solutions designed for packaging manufacturers, quality control teams, and compliance officers.
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Importance of peel testing in industry
Peel testing is vital in industries where bonding performance affects safety, function, and compliance. Typical applications include:
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How peel wheel tests are conducted
Specimen preparation – The bonded material is cut to defined dimensions, ensuring uniformity of size and adhesive application.
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Why choose Mecmesin for test calculations and automation
Proven expertise in force and torque testing
Mecmesin has decades of experience in precision mechanical testing.
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Difference between tangent modulus and other moduli
Tangent modulus vs secant modulus
While both describe stiffness, their calculation methods differ:
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How wing tear testing is performed
Specimen geometry and preparation
Testing accuracy begins with correct specimen preparation. For wing tear tests, samples are cut into shapes with two projecting wings joined by a narrow central region where the tear initiates.
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What is double lap shear testing?
Double lap shear testing is a mechanical method used to measure the shear strength of adhesive bonds.
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How is torque testing in packaging performed?
Torque testing can be carried out using manual or automated methods, depending on production volume, precision requirements
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Measuring compressive modulus
Common testing methods
Internationally recognised standards specify how compressive modulus is measured for different material types and applications: