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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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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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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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How to conduct a floating roller peel test
Carrying out this test requires attention to detail and strict adherence to the procedure. Key steps include:
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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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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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Key features and advantages
The strip method offers a number of engineering advantages:
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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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What is lap shear testing under compression?
Lap shear testing under compressive load is a mechanical test used to determine the strength of
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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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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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Comparative analysis with other peel tests
Test type
Peel angle
Common applications
Advantages
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Common challenges and solutions
Misalignment can cause uneven peeling forces.
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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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What is wing tear testing (Winkelmann/Graves method)?
Wing tear testing is a tensile-based method for flexible materials, in which a wing-shaped specimen is subjected to a controlled force until it tears.
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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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Why is the 135° peel test important?
Seal strength testing plays a vital role in packaging quality control.
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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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Burst testing techniques and equipment
Compressive burst testing
In compressive burst testing, force is applied through a hemispherical probe until the material ruptures.