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bursting strength (sheet rupture)
Bursting strength is the capacity of a material or product to maintain in continuity when subjected to pressure.
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Compression
Compression testing is a way of determining how something will react when a compressive force is applied to it. It typically involves measuring the relationship between the applied force and how much the object deforms.
It is performed to:
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Calculating secant modulus
Accurate calculation requires stress-strain data, typically obtained from tensile, compressive, or
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Key puncture resistance testing methods
Different materials and applications require different puncture testing methods. The two most common categories are high-force puncture testing and slow puncture testing.
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Brushes
Brushes use synthetic or natural filaments to create bristles which are typically clamped to a handle via a ferrule.
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How the strip method works
The strip method involves cutting a specimen to a precise width, typically 50 mm or 25 mm depending on the applicable standard, and mounting it in the grips of a tensile testing
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Applications across industries
Friction testing plays a vital role in multiple sectors:
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Introduction to breaking torque tests
Breaking torque testing, also known as torque-to-failure is a critical mechanical test used to determine the point at which a component or assembly fails under rotational force.
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FAQs about trapezoidal tear testing
What materials can be tested?
Any flexible sheet material including textiles, nonwovens, films, laminates, and membranes.
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How tension testing is performed
Tensile strength testing
Tensile strength testing follows established international standards such as ISO 527 and ASTM D63
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The role of ECT in quality assurance
The Edge Crush Test is a widely used measure for predicting box stacking performance.
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What is elongation at break?
Elongation at break measures how much a material can stretch before it fractures. Expressed as a percentage of the original gauge length, it is a key indicator of ductility and toughness.
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Step-by-step needle penetration testing process
Sample preparation
Specimens are cut to the required dimensions and conditioned to the specified environmental parameters such as temperature and humidity. Thickness and surface finish are controlled for consistency.
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Step-by-step guide to conducting the ring crush test
Prepare the sample
Cut samples to the required size specified by the relevant standard, typically corresponding to a circumference of 152 mm. Condition the samples at the specified temperature and humidity.
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How is 180 degree peel testing performed
The test is carried out on a universal testing machine fitted with a suitable peel fixture.
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Anchorage strength testing
Definition and purpose
Anchorage strength testing evaluates how securely a component is fixed into place, whether crimped, inserted, bonde
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Grab method vs strip method
Compared with the strip method (as defined by ISO 13934-1), which grips the full width of the fabric, the grab method
118
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Interpreting trapezoidal tear test results
Test results typically report peak tear force in newtons, and sometimes the average force during propagation. Engineers use this data to:
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Introduction to tensile testing
Tensile testing is one of the most widely used methods in material science for determining the mechanical properties of materials under uniaxial tension.
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Applications across industries
Tensile strength testing is essential in product development, quality control, and certification across multiple sectors:
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Introduction to T-peel testing
T-peel testing is a specialised method for determining the adhesive bond strength between two flexible materials joined together.
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Introduction to peel wheel testing
The peel wheel test is a specialised adhesion test method used to measure the strength of adhesive bonds in flexible materials such as plastics, films, and laminates.
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Introduction to compression testing
Compression testing is a core mechanical test method used to evaluate how materials and products behave when subjected to a compressive load.
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What is cantilever bend testing?
Definition and purpose
Cantilever bend testing assesses a component’s flexural response by applying a controlled force at a set distance from a fixed end.
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What is the grab method?
The grab method is a tensile testing technique where only the centre of a fabric specimen is gripped during testing — typically using 100 mm × 150 mm test specimens with a 50 mm wide clamp