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951
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Typical values of Young’s modulus:
Steel: ~200 GPa
Aluminium: ~70 GPa
PET (Polymer): ~2–3 GPa
Rubber: ~0.01–0.1 GPa
952
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Performing a five-point bend test
Specimen preparation
Cut specimens to the standardised dimensions specified in ASTM D2718.
Ensure surfaces are smooth and free from defects that could affect results.<
953
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How is the trapezoidal tear test performed?
A standard trapezoidal tear test follows a consistent sequence:
954
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Simplify data analysis in force, materials and torque testing
Test calculations are the values derived from raw measurement data, such as peak force, torque angle, or modulus of elasticity. With advanced software, these are now calculated instantly and with high precision, replacing error-prone manual methods.
955
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Why choose Mecmesin for flexural testing
Mecmesin’s flexural test systems are engineered for precision, repeatability, and compliance with international standards.
956
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Speak to an expert
If you need accurate and repeatable insertion and withdrawal testing for connectors, fasteners, or closures, Mecmesin’s technical specialists can help you select th
957
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Mecmesin equipment for 135° peel testing
Mecmesin offers a range of test systems designed for peel testing applications.
958
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Case studies - real-world applications
Medical vial stoppers
A pharmaceutical company tested rubber vial stoppers to ASTM F2132 to ensure they resisted accidental puncture during handling.
959
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Key methods of penetration resistance testing
Penetration resistance measures a material’s ability to resist intrusion by a probe or object under applied force without tearing, cracking, or losing functional integrity.
Applications include:
960
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Analysis and interpretation of results
Interpreting shear failure characteristics
Post-test examination of the bonded joint provides valuable insight into adhesive performance:
961
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What’s their secret?
“Prior to joining our class, most of our students had no actual experience with materials testing, apart from what they saw in a textbook.
962
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Equipment and tools used in testing
Accurate elongation and recovery testing requires tensile testing machines capable of precise load application and displacement measurement. Important features include:
963
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Introduction to compressive modulus
Compressive modulus, also known as the modulus of elasticity in compression, is a key mechanical property describing a material’s ability to resist deformation under compressive load.
964
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How is bulk analysis testing performed?
Compression testing
Compression testing is used to assess how materials respond when compacted.
965
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Why the ring crush test is critical for paperboard strength
Paperboard packaging must combine cost-efficiency with protective performance.
966
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Best practices for effective torque testing
Sample preparation
Condition closures and containers to the specified temperature and humidity
Inspect samples for defects before testing
Standardise top-load app
967
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Speak to an expert
If you need advice on peel wheel testing for compliance, product development, or quality assurance, Mecmesin’s technical specialists can help you choose the right equipment and fixtures
968
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Mecmesin solutions for tensile and compression testing
Mecmesin offers a comprehensive range of tensile and compression testing equipment, delivering precision, repeatability and compliance with recognised international standar
969
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Steel: ~200 GPa
Aluminium: ~70 GPa
PET (Polymer): ~2–3 GPa
Rubber: ~0.01–0.1 GPa
970
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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.
971
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Standards for the 90-degree peel test
The 90-degree peel test is defined by several recognised international standards, which provide consistent methodology and reporting requirements:
972
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Why is flexural strength testing important?
Flexural strength testing provides engineers, designers, and researchers with essential insights into how a material responds to bending forces.
973
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Best practice and future trends
Maintaining accuracy
Calibrate to ISO 6789 or Mecmesin protocols
Use in controlled environments
Validate with certified torque standards
974
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Importance of accurate torque measurement
Precise torque measurement is vital to:
975
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Introduction to torque testing
Torque testing is a vital part of packaging quality control.