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What is shear modulus?
Shear modulus defines a material’s resistance to shape change under shear forces - where parallel planes slide past one another.
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Why Mecmesin?
With over 40 years of experience, Mecmesin delivers torque testing systems that are precise, easy to use, and fully supported.
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Applications of loop tack testing
Packaging
Checks resealable closures, tamper-evident labels, and PSA seals to ensure adequate instant tack for both production and consumer use.
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Speak to an expert
Choosing the right configuration for a peel test is essential to obtain meaningful data. Test speed, specimen type, fixture design and data analysis all influence the results.
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Case studies
Medical gloves - Manufacturers test to ASTM D412-16 to ensure gloves stretch over the hand without tearing and recover enough for a secure fit.
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Why is double lap shear testing important?
The double lap shear test is widely used to determine the performance of adhesives in structural and semi-structural applications. It allows engineers to:
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Comparison with other peel tests
A 90° peel test is often used for flexible packaging films.
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Speak to an Expert
Compressive deformation testing is essential for ensuring material performance, safety, and compliance in industries from construction to sports manufacturing.
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Understanding test types
Material testing uses a variety of methods to assess different mechanical properties. Selecting the right test depends on the intended application and relevant standards.
Examples include:
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Testing Procedure
Performing the needle penetration and drag test involves several steps:
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Differences and similarities to other corrugated tests
While TAPPI T 824 focuses on the intrinsic crush strength of pre-fluted medium, other common corrugated tests measure different performance factors:
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Applications and specimen types
Torque testing is used across a broad range of packaging designs, including:
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Standards and compliance in texture testing
Food industry standards
ISO 11036 - sensory analysis for food texture profile methodology
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Introduction to double rip tongue tear testing
Double rip tongue tear testing is a recognised method for assessing the tear resistance of flexible materials including co
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Industry applications
Dairy products
For butter, ISO 16305 compliance confirms product consistency.
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Equipment and tools used in testing
Accurate elongation and recovery testing requires tensile testing machines capable of precise load application and displacement measurement. Important features include:
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Comparative analysis with other peel tests
Test type
Peel angle
Common applications
Advantages
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Introduction to bridge torque
Definition and importance
Bridge torque refers to the rotational force required to shear the tamper-evident bridges or lugs that connect a screw cap to its locking ring.
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What is bulk analysis testing?
Definition and purpose
Bulk analysis testing assesses the mechanical properties of particulate materials as a collective whole, rather than analysing individual particles. This includes powders, granules, pellets and similar materials.
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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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Introduction to strain at maximum stress testing
Strain at maximum stress testing is a critical method in material evaluation, providing a precise measurement of how much a material deforms at the point of its highest applied load.
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Introduction to equibiaxial flexure compression testing
Equibiaxial flexure compression testing is a materials testing method used to evaluate a specimen’s resistance to bending under multi-directional loading.
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Compliance with industry standards
Mecmesin torque systems are engineered to comply with industry standards, including ASTM D7860-14 for chil
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Speak to an Expert
Corrugated medium testing, and particularly the flat crush test under TAPPI T 809, is essential for ensuring packaging strength, reliability, and compliance.
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Puncture resistance testing methods
Puncture resistance measures the ability of a material to withstand an actual perforation event, simulating damage from sharp or pointed objects.
Applications include: