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1676
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Step-by-step guide to conducting the ring crush test
Prepare the sample
Cut samples to the required size specified by the relevant standard, typically corresponding to a circumference of 152 mm. Condition the samples at the specified temperature and humidity.
1677
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What is the trapezoidal tear test?
The trapezoidal tear test is a mechanical method used to determine the tear strength of flexible sheet materials.
1678
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What is torque testing?
Torque testing measures the rotational force required to turn or twist an object. In packaging, it is most often applied to closures such as caps, lids and twist-top mechanisms to ensure they open and close within defined performance limits.
1679
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Related tensile and shear test methods
While tensile tests measure a material’s resistance to stretching, shear tests measure resistance to sliding between layers or across a bond. Both are complementary.
1680
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Loop tack test standards
Several international standards govern loop tack testing to ensure results are consistent and repeatable:
1681
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Introduction to Delft tear testing
The Delft tear test is a specialised method for determining the tear strength of vulcanised rubber, thermoplastic elastomers and similar flexible materials.
1682
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What is the 135° peel test?
The 135° peel test is a method for measuring the seal strength of semi-rigid packaging, typically where a flexible lid is sealed onto a rigid or vacuum-formed container.
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What is a universal testing machine?
To assess the quality of a finished product or component, it is often necessary to conduct multiple force tests.
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Differences and similarities to other corrugated tests
While TAPPI T 824 focuses on the intrinsic crush strength of pre-fluted medium, other common corrugated tests measure different performance factors:
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BS EN 61212-2
Laminates, Bars (materials), Pipes, Thermosetting polymers, Plastics, Polymers, Industrial, Solid electrical insulating materials, Electrical insulating materials, Reinforced materials, Circular shape, Rigid pipes, Dimensional measurement, Mechanical te
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BS EN 1125
Ironmongery (buildings), Panic bolts, Bolts (security), Emergency exits, Doors, Fire doors, Safety devices, Closing and check mechanisms, Fire safety in buildings, Means of escape from fire in buildings, Hazard prevention in buildings, Buildings open to
1687
Case study
Casca de rótulo de lata de cosméticos
Exemplo de engenharia customizada O teste da resistência ao destacamento do adesivo de etiquetas de embalagens aplicadas na fase de pós-produção é mais representativo de seu desempenho do que na fase de produção de etiquetas.
1688
Case study
Mandris de tampa de garrafa personalizados
Exemplo de engenharia customizada As tampas de plástico aplicadas às garrafas podem ter paredes finas e flexíveis, de modo que ficam distorcidas quando agarradas por um operador durante o teste de torque.
1689
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ASTM C133-97
ASTM C133-97 outlines standardized test methods for determining the cold crushing strength and modulus of rupture of refractory materials.
1690
Event
Tensile Testing: Basics, Tips, & Trends
Have you ever wondered if the seatbelt in your vehicle is strong enough to restrain you in a collision? How about the average person pulling the cork out of a wine bottle?
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ASTM F36-15
The ASTM F36 test method covers the determination of the short-time compressibility and recovery at room temperature of sheet-gasket materials, form-in-place gaskets, and in certain cases, gaskets cut from sheets.
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Standards for the peel wheel test
Standardisation ensures peel wheel tests are consistent and repeatable across laboratories and production sites.
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Standards for yield point testing
Yield point testing protocols are defined by recognised international standards, including:
1694
Case study
Custom bottle cap mandrels
Customised engineering example
Plastic caps applied to bottles may be thin-walled and flexible, so that they become distorted when gripped by an operator during torque testing.
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ASTM D1321
This test method covers the empirical estimation of the consistency of waxes derived from petroleum by measurement of the extent of penetration of a standard needle.
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ASTM D1683
This test method measures the sewn seam strength in woven fabrics by applying a force perpendicular to the sewn seams.
1697
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BS EN 12090
Thermal insulating materials, Thermal insulation, Construction materials, Shear testing, Shear strength, Shear stress, Specimen preparation, Formulae (mathematics), Test specimens, Test equipment, Testing conditions, Adhesives, Mechanical testing, Repor
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Standards for texture compression testing
ISO 16305 - Butter firmness
Specifies a method for determining butter firmness under controlled conditions.
1699
Event
Tensile Testing: Basics, Tips and Trends
Have you ever wondered if the seatbelt in your vehicle is strong enough to restrain you in a collision? How about the average person pulling the cork out of a wine bottle?
1700
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Standards for flexural testing
Consistency in flexural strength testing is achieved through compliance with recognised standards, which define specimen dimensions, loading rates, and reporting requirements.
Key standards include: