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826
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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.
827
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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.
828
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Introduction to five-point bend testing
The five-point bend test is a specialised method for assessing the mechanical performance of structural panels, particularly their resistance to planar shear forces.
829
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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).
830
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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.
831
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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.
832
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Testing applications
Gymnastic equipment safety
Gymnastic rings, beams, and mats are tested to ensure they absorb impacts without losing integrity or rebound performance.
833
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Wines & Spirits
Wine incites passion and has stirred the emotions for centuries. It demands attention. But it’s not just the wine itself which get us talking, it’s how it is packaged too; bottles and corks, bag-in-box containers, aseptic cartons and cans.
834
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Applications of the peel wheel test
The peel wheel test is relevant to industries where adhesion performance is critical to product function, safety, or durability.
835
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Performing the flat crush test
A standard flat crush test includes the following stages:
836
[Page extract]
Rheological properties and their role
Rheology, the study of deformation and flow, is central to understanding extrusion behaviour. Key properties measured include:
837
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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
838
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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.
839
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What is torque testing?
Torque testing measures the rotational force required to turn or twist an object. In packaging, it is most often applied to closures such as caps, lids and twist-top mechanisms to ensure they open and close within defined performance limits.
840
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How is the 90-degree peel test performed?
A standard 90-degree peel test involves four main steps:
841
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Why is the 90-degree peel test important?
Adhesion is fundamental in industries such as packaging, automotive, constructi
842
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What is breakaway torque?
Definition and importance
Breakaway torque, also known as slip torque, refers to the rotational force required to initiate movement in a threaded closure, such as a bottle cap or medical connector.
843
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ASTM F2999
1.1 This specification establishes requirements and test methods for specified elements and for certain mechanical hazards in adult jewelry.
844
Sensor
Sensors - MultiTest-dV
Force sensors
The MultiTest-dV is a highly flexible tester, which can be configured with either a Touchscreen or Advanced Force Gauge for product testing or an Enhanced Load Sensor for basic materials testing.
AFGA digital force gauge with advanced…
845
Sensor
Sensors - MultiTest-i & -xt
Force sensors
The ILC range of interchangeable loadcells are specially adapted for the MultiTest-i and -xt test systems. Plug and play for automatic calibration and a range of capacities for all requirements, from 2 N to 50 kN.
View sensor range
846
Event
Cap Closure and Removal Torque Testing
The primary objective for measuring and analyzing the torque characteristics of a container cap is to accurately determine not only the quality of the part or process, but also the root cause of a wide variety of defects.
847
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ASTM D882-18
ASTM D882 is a test method that covers the determination of tensile properties of plastics in the form of thin sheeting and films (less than 1.0 mm (0.04 in.) in thickness). It is used to measure tensile properties including ultimate tensile
848
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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.
849
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ASTM D2718
These test methods determine the shear properties of structural panels associated with shear distortion of the planes parallel to the edge planes of the panels. Both shear strength and modulus of rigidity may be determined.
850
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ASTM D3481
This test method covers the measurement of the force required to separate (or “shell”) the snap-fitted outer cap from the inner cap of Type IA, IB, or IC child-resistant closures.