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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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Understanding flexural strength
Flexural strength (modulus of rupture) refers to a material’s resistance to deformation under load.
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Benefits of adhering to testing standards
Following recognised standards delivers measurable benefits:
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Challenges and best practices in peel testing
Common challenges
Material variability in thickness, surface treatment, or adhesive application.
Inconsistent specimen preparation.
Operator error from misalignment or incorrect grip tension.
Best pra
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Standards for yield point testing
Yield point testing protocols are defined by recognised international standards, including:
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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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Standards in torque testing
ASTM standards
ASTM D2063 – Reclosable child-resistant packaging
ASTM D3198 – Continuous thread closure torque testing
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Comparison of relevant standards
Standard
Material types
Peel angle
Environment
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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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Challenges and considerations
Even with well-defined standards, tear resistance testing can be influenced by:
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Conclusion and Best Practices
Adhering to ISO 11040-4 Annex F is essential for manufacturers of pre-filled syringes. Using the right equipment and following best practices ensures that your products meet safety and quality standards.
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Tools and equipment for shear testing
Accurate shear testing in tension requires high-quality, precise equipment:
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Real-time data analysis and reporting
Mecmesin’s software platform offers live monitoring and evaluation of test performance:
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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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Key standards for equibiaxial flexure testing
Internationally recognised standards ensure accuracy, repeatability, and comparability of results. Common references include:
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Related tensile and shear test methods
While tensile tests measure a material’s resistance to stretching, shear tests measure resistance to sliding between layers or across a bond. Both are complementary.
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Standards in torque testing
ASTM standards
ASTM D2063 – Reclosable child-resistant packaging
ASTM D3198 – Continuous thread closure torque testing
ASTM D3472 – Measuring removal torque from clo
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Test Frame
MultiTest-dV test frame
MultiTest-dV test frame
A ballscrew-driven motorised test frame designed to apply tension and compression from 2 N right up to a capacity of 2.5 kN (550 lbf).Its versatile construction makes it perfectly suited for testing all kinds of components in a…
1469
Test Frame
MultiTest test frame (single column)
MultiTest test frame
A ballscrew-driven motorised test frame designed to apply tension and compression from 2 N right up to a capacity of 5 kN (1100 lbf).Its versatile construction makes it perfectly suited for testing all kinds of components in a quality…
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Paper & Board
Paper and board are used in a wide range of applications and, as such, they undergo various stages of processing which place significant demands on their material strength.
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Compression
Compression testing is a way of determining how something will react when a compressive force is applied to it. It typically involves measuring the relationship between the applied force and how much the object deforms.
It is performed to:
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Software
VectorPro Lite software (force instruments)
VectorPro® Lite software
Available as an optional extra to Mecmesin's Digital Force Gauges (VFG, AFG, BFG and CFG+ and VFTI/AFTI Digital Force Indicators, VectorPro Lite is an advanced data acquisition and plotting software package.
Simply select the…
1473
Software
VectorPro Lite software (torque instruments)
VectorPro® Lite software
Available as an optional extra to Mecmesin's Orbis, Tornado and AFTI digital force and torque testing instruments, VectorPro Lite is an advanced data acquisition and plotting software package.
Simply select the appropriate…
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Elongation and Recovery
Elongation and recovery testing is a fundamental process in material science used to measure how far a material can stretch under a given load and how effectively it returns to its original shape once the force is removed.
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Jewellery & Watch
In jewellery and watch production, alloys, components and other materials must meet the needs of the manufacturing process and the end-product should give good service performance when worn by the customer.