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Introduction to loop tack testing
Loop tack testing is a specialist method used to evaluate the initial tack, or quick stick, of pressure-sensitive adhesives (PSAs).
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Key test standards for ball burst testing
ASTM D3787 – Constant-rate-of-traverse (CRT) method
This standard outlines a method for determining the bursting strength of
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Standards for double lap shear testing
Double lap shear testing is carried out to international standards that ensure consistency and comparability of results. The most widely used are:
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Speak to an expert
Mecmesin’s technical specialists can advise on selecting the right fixtures, test methods, and equipment for 135° peel testing.
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Understanding removal torque testing
Removal torque testing measures the rotational force required to unscrew or disengage a closure from its container.
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Tools and techniques for measuring torque
Manual vs motorised torque testers
Manual torque testers are suited to spot checks or lower-volume testing.
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Standards for breakaway torque testing
Breakaway torque testing is governed by a range of industry-specific standards designed to ensure safety and consistency in packaging performance.
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Applications in industry
Construction materials
Cleavage strength testing is used to verify the integrity of structural materials such as laminated timber beams, bonded façade panels, and composite structures.
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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:
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Speak to an Expert
Compressive hardness testing is essential for ensuring that materials meet design, performance, and compliance requirements in industries ranging from construction to
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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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What is yield point?
The yield point is the point on a stress-strain curve where a material begins to deform plastically. Before this point, deformation is elastic and reversible. Beyond it, the material undergoes permanent change.
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Comparisons with elastic modulus
The elastic modulus measures stiffness only within the initial linear elastic range, where deformation is fully recoverable.
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Case study
A Tier 1 automotive supplier used a Mecmesin OmniTest system with VectorPro
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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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Troubleshooting and best practices
Secure adhesive firmly in the fixture to prevent slippage
Clean substrates between tests to remove residue
Maintain consistent loop dimensions using fixture guides
Control temperature and humidity to match the test s
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Introduction to shear testing
Shear testing is a core method in food texture analysis, used to measure the force required to cut, bite, or deform a food sample.
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Comparative analysis of testing standards
Different standards address specific materials and applications:
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Key mechanical testing methods
Short span compression testing differs from conventional compression tests because it uses a minimal support length to eliminate bending effects.
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Understanding TAPPI T 809 standard
TAPPI T 809 is an internationally recognised method for determining the flat crush resistance of corrugated medium.
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Why is torque testing important in packaging?
Torque testing underpins closure performance, ensuring that products remain sealed and safe throughout distribution, storage and use.
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Real-world examples
Beverage packaging automation
A global beverage brand used the VortexPro to automate PET bottle cap testing:
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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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Speak to an expert
Accurate and consistent tear testing is essential for maintaining product quality, meeting compliance requirements, and ensuring end-user satisfaction.
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Standards and procedures
FCT results must be consistent and comparable, which is why the test is carried out to recognised standards: