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Introduction to the ring crush test
The ring crush test (RCT) is a key method for determining the edgewise compression strength of paper and paperboard.
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Types of flexure tests
Different flexure testing setups are chosen based on the nature of the material, the required precision, and the industry standards being followed.
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Types of compressive shear tests
Test configurations vary according to the material, application, and relevant industry standard.
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How peel wheel tests are conducted
Specimen preparation – The bonded material is cut to defined dimensions, ensuring uniformity of size and adhesive application.
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Relevant textile test standards
The strip method is defined in several national and international standards, each tailored to specific fabric types and performance requirements:
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Understanding cone penetration testing
Cone penetration testing is a precision method used to determine a material's resistance to penetration by a standardised cone-shaped probe under specific force conditions.
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Understanding tear strength and its importance
Tear strength measures the force a material can withstand before a tear propagates. It covers both the initial rupture and the resistance to further tearing once damage has started.
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The concentric ring method
The most widely used approach to equibiaxial flexure compression testing is the concentric ring method. A circular specimen is supported on an outer ring and loaded through a smaller, concentric inner ring.
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Standards and protocols
Notable standards and specifications
Several international standards define single lap shear testing methods:
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The science behind chord modulus
Definition and importance
Chord modulus is determined by drawing a straight line, known as the chord, between two points on the stress-strain curve.
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What is strip torque testing?
Definition and importance
Strip torque testing measures the torque required to continue rotating a threaded closure beyond its normal sealing point until the thread strips or the closure fails.
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BS 7409
Lays out safety requirements for wheeled conveyances for one or more children. Does not cover wheeled conveyances designed for invalid children and does not specify requirments for accessories or products not designed for use with a chassis.
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ASTM D3950
This specification covers nonmetallic strapping and joining methods for closing, reinforcing, and bundling materials for shipment, unitizing, palletizing, and bracing for car and truck loading.
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Medical Devices: Syringe & Needle Testing Fundamentals
Every manufacturer (and patient) requires reliable needle and syringe function - ensuring safe & efficient drug administration.
Therefore, checking the performance and functionality of these medical devices is critical, with physical testi
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BS EN ISO 80369-20
These standards describes the methods for testing the performance of 6% Luer lock fittings including assembly, leak tightness, stress cracking, and separation force.
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ASTM D6241-04
This test method for determining the puncture strength of geotextiles is to be used by the industry as an index of puncture strength.
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Drehmomentprüfsysteme
Benötigen Sie ein Maß an Genauigkeit und Wiederholbarkeit, das manuelle Prüfgeräte einfach nicht erreichen können? Möchten Sie die Prüfungszeit verkürzen
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BS EN ISO 80369-7
This part of ISO 80369 specifies dimensions and requirements for the design and functional performance of small-bore connectors intended to be used for connections in intravascular applications or hypodermic connections in hypodermic applications of med
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ASTM F1306
ASTM F1306, is a test method, which permits flexible barrier films and laminates to be characterised for slow rate penetration resistance to a driven probe.
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Kraftprüfsysteme
Benötigen Sie ein Maß an Genauigkeit und Wiederholbarkeit, das manuelle Prüfgeräte einfach nicht erreichen können? Möchten Sie die Prüfungszeit verkürzen und den Durchsatz für die Be
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ISO 11608-5
This part of ISO 11608 specifies requirements and test methods for the automated functions of needle-based injection systems with automated functions (NIS-AUTO), for the administration of medicinal products in humans.
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Compression Testing in Top Load Applications
A typical challenge in packaging, and bottling applications is trying to balance product integrity, where the container might be too weak and crush under load, and excessive raw material cost, where the container is too strong.
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Child Resistant Closure Testing
Medical, Pharmaceutical and Chemical Packaging takes product safety seriously.
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ASTM D2919
This test method covers data for assessing the durability of adhesive lap-shear joints while stressed in contact with air, air in equilibrium with certain solutions, water, aqueous solutions, or other environments at various temperatures.
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Top-load testing: Ensuring packaging integrity from production to transport
Top-load testing is the method used to simulate and measure the force exerted on packaging containers during production, filling, capping, storage, and transport.