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726
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ASTM D5868-01
Due to the increased use of adhesively-bonded FRP as a result of the inherent advantages afforded by bonded rather than mechanically-fastened joints (particularly the alleviation of stress risers and stress cracking), there is a need for tests by which
727
Event
Fundamentals of Food Texture Testing
Texture cannot be controlled unless it is measured in a consistent and repeatable manner.
728
Case study
Getränkebehälter in Pulverform
Beispiel für kundenspezifisches Engineering Ein internationaler Anbieter von Schokoladenpulver wollte verschiedene Aspekte seiner Verpackung testen.
729
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ASTM D3822
This test method covers the measurement of tensile properties of natural and man-made single textile fibers of sufficient length to permit mounting test specimens in a tensile testing machine.
730
Case study
Seed bottle closure torque testing
Requirement
The Royal Botanic Gardens, Kew, have undertaken an international conservation initiative to preserve seed specimens of over 24,000 plant species, protecting them from extinction at the Millennium Seed Bank at Wakehurst Place, West
731
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ISO 6383-1
ISO 6383-1 specifies a method of determining the tear resistance of plastic film or sheet less than 1 mm thick, in the form of standard trouser-shaped test specimens, tested under defined conditions of pre-treatment, temperature, humidity, and speed of
732
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ISO 2555
Specification of a method for determining an apparent viscosity of resins in a liquid state, using one of the types of rotational viskosimeter described in this standard.
735
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FINAT FTM3
This test method allows the end user to determine the force required to separate the release backing from the pressure sensitive adhesive coated face material.
736
[Page extract]
Industry applications
Rotational shear and torque strength tests are used in many sectors, including:
738
Case study
Plastic film tension test
Requirement
The customer uses a double layer plastic film for packaging film for packaging of pet food and confectionary.
739
Case study
Top-load testing PET bottles
Requirement
Esterform Packaging manufacture more than a million PET bottles and preforms per day for major processors of bottled water, juices, soft drinks, dairy and household products.
740
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ASTM D2527
ASTM D2527 covers the strength and appearance of the splice in vulcanized rubber-seal material of any size, type, or cross-sectional shape.
741
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ASTM D7834-13
During the application of coatings, paint brushes can exhibit shedding of filling material onto the coated surface. A measure of this shedding filling material will determine the paint brush’s ability to resist shedding during application.
742
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ISO 505
ISO 505 specifies a method of test for the measurement of the propagation resistance of an initial tear in textile conveyor belts, either in full thickness or of the carcass only.
743
Case study
Electrical assembly component strength
Customised engineering example
Due to the complex, asymmetric shapes of electrical assemblies, it can be difficult to grip the soldered, fused and welded parts in a way that mimic the forces applied when in use.
744
Event
Wine & Spirits: Pull Tab & Twist Cap Testing
Canned wine and seltzer drinks have a clear upside that makes their popularity soar: Convenience. As well as being lighter to carry, less potentially fragile, eliminating the corkscrew, and even a glass makes it ideal for social gatherings.
745
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Real-world applications
Plastic bottles and closures
In beverage and household product manufacturing, top-load testing is essential to confirm that bo
746
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ASTM D747-10
ASTM D747 is used to determine the flexibility of plastics by means of a cantilever beam.
747
Case study
Automotive switchgear controls testing systems
Requirement
Automotive electrical systems suppliers to OEM manufacturers are tasked with meeting extensive quality and performance standards to remain high tier providers.
748
[Page extract]
Application in food texture analysis
Tension methods replicate real-world conditions experienced by food products during production, handling, and consumption.
749
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ASTM D5748-95
This test method determines the resistance of a stretch wrap film to the penetration of a probe at a standard low rate, a single test velocity.
750
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Applications of needle penetration testing
Medical devices
Used to confirm that components such as vial stoppers, syringe seals, and gloves can resist penetration by needles while maintaining their intended function.