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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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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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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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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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Common challenges and solutions
Misalignment can cause uneven peeling forces.
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Comparative analysis with other peel tests
Test type
Peel angle
Common applications
Advantages
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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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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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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 and benefits
Industrial applications
Tension and compression testing is used across multiple industries to validate design performance, assure quality, and meet regulatory requirements:
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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.
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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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What is the edge crush test and why is it important?
ECT assesses the capacity of corrugated board to withstand compressive forces along its edge. A higher ECT value generally means the board has greater stacking strength.
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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.
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Methods of testing tensile strength
The most common method is the uniaxial tensile test.
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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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What is lap shear testing under compression?
Lap shear testing under compressive load is a mechanical test used to determine the strength of adhesive joints subjected to shear forces while under compressive stress.
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Why is the trapezoidal tear test important?
Tear resistance is a critical measure of a material’s durability, particularly in applications where the material may be subject to punctures, cuts, or repeated stress.
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Why is top-load testing important?
Top-load testing plays a critical role in packaging design, quality assurance and compliance. It helps to:
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Methods of compressive burst testing
Inflationary burst testing
In this method, internal pressure is gradually increased using air, gas, or liquid until the container ruptures. This is widely applied to: