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826
[Page extract]
ISO 34-2 standards explained
ISO 34-2 specifies the Delft tear test procedure for vulcanised or thermoplastic rubber, ensuring testing is carried out under consisten
827
[Page extract]
Standards in torque testing
Mecmesin systems are designed to comply with widely recognised international standards.
828
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Shear testing equipment and procedures
Accurate shear testing requires precise control of movement, force measurement, and fixture selection.
Mecmesin offers:
829
[Page extract]
Key applications of pull-off and pull-out testing
The versatility of these tests means they are used across a broad range of products and industries.
830
[Page extract]
Benefits and limitations of compressive shear testing
Advantages
High precision - accurate measurement of shear strength under controlled compression
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831
[Page extract]
Standard test methods for floating roller peel
Several international standards define procedures for floating roller peel testing:
832
[Page extract]
Burst testing techniques and equipment
Compressive burst testing
In compressive burst testing, force is applied through a hemispherical probe until the material ruptures.
833
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Choosing the right test standard
Selecting the correct standard depends on:
834
[Page extract]
Key features and advantages
The strip method offers a number of engineering advantages:
835
[Page extract]
Introduction to compressibility and recovery testing
Compressibility and recovery testing measures how a material behaves under load and how effectively it returns to its original form once the load is removed.
836
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Understanding corrugated cardboard resistance
The compressive resistance of corrugated cardboard depends on factors such as flute profile, board structure, and paper quality.
837
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Torque testing standards
A range of recognised standards define the correct procedures for reverse ratchet torque testing, ensuring consistent and reliable results.
838
[Page extract]
ASTM and ISO approaches
ASTM D1938 specifies trouser tear testing for thin plastic films and sheeting, including specimen dimensions, pre-cu
839
[Page extract]
Introduction to elongation and recovery testing
In industries working with textiles, rubber, elastomers, and flexible plastics, these properties are directly linked to product reli
840
[Page extract]
Relevant standards for lap shear under compression
International testing standards provide consistency and repeatability for adhesive strength tests, including those involving compressive loading. The following standards are particularly relevant:
841
[Page extract]
Understanding compressive deformation
Compressive deformation is the change in shape or size of a material when it is subjected to compressive forces. This can involve a reduction in length, thickness, or volume when an object is pressed or squeezed.
842
[Page extract]
Understanding yield point in material testing
Yield point analysis is used across multiple industries to ensure materials meet strict performance criteria:
843
[Page extract]
Understanding torque testing
Types of torque testing in packaging
Several torque measurements are relevant to closure performance:
844
[Page extract]
ASTM D3578
Scope... 1.1 This specification describes certain requirements for natural rubber gloves used in conducting medical examinations and diagnostic and therapeutic procedures. It also covers natural rubber gloves used in handling contaminated medical
845
Case study
Bulk liquid carrier closures
Customised engineering example
Our client manufactures liquid bulk carriers fitted with two-part plastic valve closures. The collar is welded to a plastic bag, and the valve closure is fixed onto it by a compression joint.
846
Case study
Powdered drink container - compressive strength & lid peel tests
Customised engineering example
An international supplier of a powdered hot-chocolate drink wanted to test several aspects of their packaging. The powder is packed in a plastic-capped, foil-sealed cardboard tube container.
847
[Page extract]
Standards and compliance
Commonly referenced standards for tangent modulus testing include:
848
Event
Fundamentals of Compression Testing
Push or compressive testing helps determine the limits of most products that require constant pushing or compression.
849
Case study
Peel testing Ostomy bags
Requirement
Salts Healthcare, a leading manufacturer and supplier of health care products required a low capacity system for testing the integrity of their hydrocolloid products.
850
[Page extract]
Standards and compliance
ASTM D2063 defines methods for determining application and r