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Speak to an expert
Closure torque testing is vital for ensuring that packaging remains secure, protects contents, and is user-friendly.
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Why removal torque is important
Removal torque is critical to packaging performance and user experience.
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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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Applications across industries
Equibiaxial flexure compression testing is used wherever material reliability under multi-directional stress is critical.
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Comparing adhesion test methods
While the peel wheel test maintains a constant 90° angle, other tests such as the 180° peel test are also widely used.
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Introduction to short span compression tests
The short span compression test (SCT) is a mechanical testing method used to measure the compressive strength of materials over a very short span.
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Compression testing and its applications
Compression testing measures how a material behaves when subjected to forces that reduce its size.
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What is the 90-degree peel test?
The 90-degree peel test is a mechanical method used to measure the adhesive strength between two bonded materials.
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Comparison with other peel tests
A 90° peel test is often used for flexible packaging films.
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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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Importance of child-resistant closures
Child-resistant closures are a critical safety feature for packaging containing pharmaceuticals, che
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ASTM and ISO approaches
ASTM D1938 specifies trouser tear testing for thin plastic films and sheeting, including specimen dimensions, pre-cu
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Industry standards and compliance
Running torque tests are often performed in line with established industry standards to ensure comparability and acceptance. Relevant examples include:
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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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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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Understanding and interpreting test results
Box crush testing provides clear, measurable data to inform design and compliance decisions:
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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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Strain at maximum stress explained
Stress is the applied force, and strain is the resulting deformation. As a specimen is loaded, both stress and strain increase until stress reaches its peak value before the material starts to weaken.
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Key features and advantages
The strip method offers a number of engineering advantages:
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Analysis and interpretation of results
Interpreting shear failure characteristics
Post-test examination of the bonded joint provides valuable insight into adhesive performance:
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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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Compliance with industry standards
Mecmesin torque systems are engineered to comply with industry standards, including ASTM D7860-14 for chil