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501
[Page extract]
Loop tack test procedure
Sample preparation
Cut adhesive strips to the required length and width stated in the chosen standard. Condition the samples at the specified temperature and humidity before testing.
502
[Page extract]
Test method and procedure
Preparing specimens
Material selection - Use representative samples from the batch being tested.
Cutting - Prepare specimens to the exact dimensions specified in
503
Event
Materials Testing: Theory and Practice Pt. 1 & 2
Materials testing is often the last step in the manufacturing process. Yet, quality is the result of both the process and the material. If the material that goes into the product is inadequate or defective, then the product may be deficient or faulty.
504
[Page extract]
Industry
Mecmesin is an expert in the design and manufacture of force, materials and torque testing equipment, with over 40 years’ dedicated experience in the field.
506
Case study
Toy testing to attachment strength safety standards
Requirement
The customer supplies plush giftware to retailers such as Clintons. Their plush products are manufactured to European toy safety standard BS EN 71-1:1998 (Safety of toys - Part 1: Mechanical and physical properties).
507
[Page extract]
ASTM D3359
These test methods cover procedures for assessing the adhesion of coating films to metallic substrates by applying and removing pressure-sensitive tape over cuts made in the film.
508
[Page extract]
How is double lap shear testing performed?
Specimen preparation
Specimens are prepared according to standardised dimensions.
509
[Page extract]
Manual controls and switches
Switches come in many different configurations... toggle, rotary, mercury, push-button, reversing, relay and circuit breaker.
510
[Page extract]
How to perform a box crush test
A successful box crush test requires consistent specimen preparation, suitable equipment and precise execution.
511
[Page extract]
How is the 135° peel test performed?
Specimen preparation
Test specimens are usually strips cut from the sealed edge of a tray or container.
512
[Page extract]
What is the trapezoidal tear test?
The trapezoidal tear test is a mechanical method used to determine the tear strength of flexible sheet materials.
513
[Page extract]
How the single rip trouser tear method works
The method takes its name from the specimen shape, where a single cut partway into the sample creates two ‘legs’, similar to the shape of a pair of trousers.
514
Event
Essentials of grip & fixture selection in force & torque testing
For a test to work, the test system needs to properly interface with its specimen.
516
[Page extract]
BS EN 17665
The Directive (EU) 2019/904 “on the reduction of the impact of certain plastic products on the environment” introduces the requirement that plastic caps and lids of single use plastic beverage containers up to 3 l capacity shall remain attached to the c
517
Event
Webinar: Essentials of Grip & Fixture Selection in Force & Torque Testing
For a test to work, the test system needs to properly interface with its specimen.
518
Event
Materials Testing: Theory and Practice Pt. 2
Materials testing is often the last step in the manufacturing process. Yet, quality is the result of both the process and the material. If the material that goes into the product is inadequate or defective, then the product may be deficient or faulty.
519
[Page extract]
ISO 5628
Specifies three test methods for determining the bending stiffness of paper and paperboard. The test methods differ in the type of loading mode, thus giving rise to the two-point, three-point and four-point bending test methods.
520
Event
Materials Testing: Theory and Practice Pt. 2
Materials testing is often the last step in the manufacturing process. Yet, quality is the result of both the process and the material. If the material that goes into the product is inadequate or defective, then the product may be deficient or faulty.
521
[Page extract]
ASTM B571
This practice covers simple, qualitative tests for evaluating the adhesion of metallic coatings on various substances.
522
[Page extract]
ASTM F2255-05
This test method is intended to provide a means for comparison of the adhesive strengths of tissue adhesives intended for use as surgical adhesives or sealants, or both, on soft tissue.
523
Event
Medical Devices: Torque testing of Child Resistant Closures (CRC) with 21 CFR Part 11 compliance
Torque testing of Child Resistant Closures (CRC) with 21 CFR Part 11 compliance
524
Event
Medical Device Testing: Torque testing of Child Resistant Closures (CRC) with 21 CFR Part 11 compliance
Torque testing of Child Resistant Closures (CRC) with 21 CFR Part 11 compliance
525
[Page extract]
Tensile deformation and its significance
Tensile deformation occurs when a material is stretched by an axial load, causing it to elongate.