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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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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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Interpreting breakaway test results
Understanding test outputs is as crucial as conducting the tests themselves.
Slip torque vs bridge torque
Slip torque reflects the resistance encountered before rotation begins—a measure of seal integrity and usability.
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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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Standards and compliance
ASTM D2063 defines methods for determining application and r
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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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Understanding ASTM D2718 standards
The ASTM D2718 standard sets out the procedures for conducting planar shear tests on structural panels using the
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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).
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Introduction to flexural testing
Flexural testing is a core method in materials science, used to evaluate how materials perform when subjected to bending stresses.
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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.
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How running torque is measured
Running torque is typically measured using precision torque sensors mounted within a controlled test stand. The component under test is rotated at a defined speed, and torque is measured continuously during motion.
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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.
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Case studies in puncture resistance testing
Protective clothing - A glove manufacturer used high-force puncture testing to optimise material layering, achieving compliance with ASTM F1342 and ISO 13996 while maintaining f
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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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Puncture and shear testing techniques and equipment
Testing involves applying a force to a clamped specimen until the material fails, with the method determined by the applicable standard.
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Introduction to extrusion testing
Extrusion testing is an essential method in the food industry for measuring the texture and flow behaviour of semi-solid and visc
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What is the Concora crush test?
Definition and overview
The Concora Crush Test (CCT) is a standardised method used to measure the crush strength of corrugated medium, specifically the fluted inner layer of corrugated board.
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Introduction to strip method tensile testing
Among the range of tensile testing techniques, the strip method is widely recognised for its accuracy and repeatability.
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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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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.