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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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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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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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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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Applications and specimen types
Torque testing is used across a broad range of packaging designs, including:
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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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Standards and compliance in texture testing
Food industry standards
ISO 11036 - sensory analysis for food texture profile methodology
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Industry applications
Dairy products
For butter, ISO 16305 compliance confirms product consistency.
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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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Testing Procedure
Performing the needle penetration and drag test involves several steps:
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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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Comparative analysis with other peel tests
Test type
Peel angle
Common applications
Advantages
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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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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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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 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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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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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:
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Loop tack test procedure
Sample preparation
Cut adhesive strips to the required length and width stated in the chosen standard. Condition the samples at the specified temperature and humidity before testing.
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Speak to an expert
For advice on selecting the best ECT solution for your packaging application, contact Mecmesin’s technical team.
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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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Why is the 135° peel test important?
Seal strength testing plays a vital role in packaging quality control.