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Why is texture testing important?
Texture testing ensures consistent product performance, supports process control, and validates compliance with industry standards. Even small changes in raw materials, processing conditions, or environmental factors can alter texture.
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Introduction to flat crush test
The flat crush test (FCT) is a recognised method for measuring the resistance of corrugated fibreboard to a compressive load applied perpendicularly to its surface.
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Overview of TerraFixing
TerraFixing is dedicated to combating climate change through affordable and scalable Direct Air Carbon Capture (DAC).
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Common challenges in yield point testing
Specimen alignment issues
Misalignment during clamping can cause uneven stress distribution, resulting in inaccurate readings.
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What is texture testing?
Texture testing is the instrumental measurement of a product’s physical response to an applied force.
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Performing a five-point bend test
Specimen preparation
Cut specimens to the standardised dimensions specified in ASTM D2718.
Ensure surfaces are smooth and free from defects that could affect results.<
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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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Three-point vs four-point bend testing
In a three-point bend test, force is applied at a single midpoint. In a four-point bend test, two loading noses distribute the load over a larger section of the specimen.
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Applications of edge crush testing in packaging
Design and development
ECT results guide engineers in selecting the correct board grade for the intended application, balancing performance and cost.
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Cord, rope and netting
Cord, rope and netting all rely on their inherent strength to perform the essential tasks of tying, lifting and dragging.
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The 3-Point Bend test goes to Summer School
Both Dr. Cote and Grubbs agree that one of the highlights of their year is the Materials Science summer course for high school students, where they had students design their own candy composites.
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Frequently asked questions
How do I select the right fixture for my material?
Fixture selection depends on specimen dimensions, material type, and the relevant standard.
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How is a three-point bend test performed?
Test setup and procedure
The test begins with preparing a specimen, often a rectangular bar, from materials such as plastics, composites, wood, or metals.
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Types of torque in packaging
Application torque
Application torque is the force used to secure a closure onto a container during the capping process.
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Standards and protocols
Notable standards and specifications
Several international standards define single lap shear testing methods:
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What is four-point bend testing?
Four-point bend testing determines a material’s flexural strength and stiffness by applying force at two points between two supports.
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How is top-load testing performed?
Equipment and setup
The essential equipment for a top-load test includes:
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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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Packaging recommendations based on tension tests
Tension testing plays an essential role in packaging development, enabling material selection and refinement for durability and performance. Typical assessments include:
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Test setup and equipment
Performing lap shear testing under compression requires careful alignment and use of appropriate fixtures to prevent torsion or uneven load distribution.