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How is ultimate compressive strength tested?
Equipment and procedure
Testing is typically performed using a universal testing machine (UTM) fitted with flat or contoured
878
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Pharmaceuticals
The pharmaceutical industry is tightly controlled and subject to strict regulations, which means that testing is often at the heart of demonstrating compliance to the various international standards which govern the industry.
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Step-by-step guide to conducting a CMT test
Prepare the specimen - Cut to size with clean edges, ensuring flutes remain undamaged, and condition as per the standard.
Calibrate the equipment - Check the load cell and platen alignment.
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Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.
881
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What is 180 degree peel testing
The 180 degree peel test is a recognised method for measuring the strength of adhesive bonds when a material is peeled back on itself at a constant angle of 180 degrees.
882
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Shear modulus equation
Shear modulus (G) and Young’s modulus (E) are both measures of a material’s stiffness - but under different types of loading.
883
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How is torque testing in packaging performed?
Torque testing can be carried out using manual or automated methods, depending on production volume, precision requirements
884
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ISO 34-2 standards explained
ISO 34-2 specifies the Delft tear test procedure for vulcanised or thermoplastic rubber, ensuring testing is carried out under consisten
886
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Step-by-step test methodology
Preparation
Sample selection - Choose representative specimens, avoiding faults unless deliberately testing them.
Specimen cutting - Cut to standard dimensions with a central slit of specified
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Flat crush of corrugated medium (CMT test)
The flat crush test, also known as the Concora Medium Test (CMT), measures the maximum force a corrugated medium can withstand before flute collapse. In CMT testing, the medium is first formed into flutes using a laboratory fluter before testing.
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Importance of child-resistant closures
Child-resistant closures are a critical safety feature for packaging containing pharmaceuticals, che
890
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Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.
891
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Understanding reverse ratchet torque
Reverse ratchet torque testing is an essential process for verifying the safety and reliability of child-resistant closures (CRCs).
892
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Bearings, rollers and gears
Rollers and bearings are intrinsic components of assemblies which move products horizontally, vertically, on an incline or decline, overhead, sub-floor, around obstacles and over long distances.
893
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TAPPI T 824 standard
Overview of the standard
TAPPI T 824 is the internationally recognised standard that specifies the procedures, equipment requirements, and specimen preparation methods for conducting
894
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Importance of testing elasticity and ultimate strength
Elasticity determines how well a material returns to its original shape after stretching. Ultimate strength indicates the maximum stress it can withstand before failure.
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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.
896
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Importance of ergonomic strength testing
Ergonomic strength testing is essential for ensuring that human performance matches task requirements. This alignment reduces the risk of musculoskeletal injuries and improves long-term health outcomes.
897
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Power your torque testing
Sophisticated power - easy to use
Looking for an automated torque testing system to improve the accuracy and repeatability of your measurements compared to manual torque testers?
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FAQs about shear modulus
How is shear modulus tested?
Shear modulus is measured through torsion testing or shear testing fixtures applied to solid or bonded samples.
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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