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701
Case study
End float test of inhaler cap
Requirement
'End float is the displacement in mm of a product', in this case the dispensing cap closure of the inhaler measured at a specific load.
702
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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.
703
Case study
Torque testing closures on multi-way plastic bottles
Customised engineering example
A pharmaceuticals company wanted to test the closure torque of a series of square-profile PET bottles.
704
Case study
Tennis ball compression test
Requirement
The ITF (International Tennis Federation) invited Mecmesin to bid for a project to replace their outdated ‘Stevens’ test machine used to measure the force to ‘squash’ a tennis ball.
705
Case study
Lancet needle retention test
Requirement
A UK based medical device company who design and manufacture a range of blood glucose monitoring and control equipment used by healthcare professionals and consumers across the globe, needed a test solution to ensure the quality of
706
[Page extract]
How wing tear testing is performed
Specimen geometry and preparation
Testing accuracy begins with correct specimen preparation. For wing tear tests, samples are cut into shapes with two projecting wings joined by a narrow central region where the tear initiates.
707
[Page extract]
Methods of compressive burst testing
Inflationary burst testing
In this method, internal pressure is gradually increased using air, gas, or liquid until the container ruptures. This is widely applied to:
708
[Page extract]
What is breakaway torque?
Definition and importance
Breakaway torque, also known as slip torque, refers to the rotational force required to initiate movement in a threaded closure, such as a bottle cap or medical connector.
709
Case study
Sports shoe cleats release torque
Requirement
A leading golf shoe supplier needed to measure the release torque of the interchangeable cleats in its range of sports footwear.
710
Case study
Granule hardness test
Requirement
Ecosyl Products Limited is one of the world's leading companies involved in the sales and marketing of forage additives for the agricultural industry.
711
[Page extract]
Ultimate Tensile Strength
What it is, how to measure it, and why it matters
Ultimate tensile strength (UTS) is a critical property used to determine how materials behave under tension. It defines the maximum stress a material can withstand before breaking.
712
[Page extract]
Measurement and testing methods
Techniques for measuring tangent modulus
Tangent modulus is measured during tensile or compression testing, w
713
[Page extract]
Key standards in compressive deformation testing
Compliance with recognised standards ensures that results are accurate, repeatable, and accepted by regulatory bodies. Examples include:
714
[Page extract]
Loop tack test standards
Several international standards govern loop tack testing to ensure results are consistent and repeatable:
715
[Page extract]
Standards for 180 degree peel testing
A number of standards define the correct method for performing a 180 degree peel test.
716
[Page extract]
Standards for friction testing
Mecmesin systems comply with a range of international standards to ensure consistency and comparability of results:
717
[Page extract]
Benefits of box crush and packaging compression tests
Compression testing offers both commercial and technical benefits for manufacturers and logistics operations.
718
[Page extract]
Mecmesin equipment for insertion and withdrawal testing
Mecmesin provides high-precision systems for measuring insertion and withdrawal forces across a wide range of components.
Capabilities include:
719
[Page extract]
Standards for the peel wheel test
Standardisation ensures peel wheel tests are consistent and repeatable across laboratories and production sites.
720
[Page extract]
Tamper-evident packaging and torque
The role of bridges in tamper-evidence
Tamper-evident bridges are a critical safety feature. Once broken, they provide a clear visual indicator that a product has been opened.
722
[Page extract]
Comparative analysis of testing standards
Different standards address specific materials and applications:
723
[Page extract]
Common challenges and solutions
Material inconsistencies - Variations in fibre composition and moisture content between batches can affect results.
724
[Page extract]
Common challenges and best practices
Accurate four-point bend testing requires attention to several factors:
725
[Page extract]
Types of edge crush tests and methodologies
TAPPI and ISO standards
ECT is governed by internationally recognised standards that ensure accuracy, repeatability, and comparability of results.