EN 12242 Peel Strength Touch and Close Fasteners
This method is used to determine the peel strength of a touch and close (also known as “hook and loop”) fastener. A touch and close fastener is made up of two different types of materials. The male material is constructed with monofilament warp ends, and finished to form locking elements of either “hook” or “mushroom” shape. The female material is constructed with multifilament yarns in “loops”. When the two types of material are pressed together, the male and female elements engage to form a secure closure which can be separated by a peeling action from either end.
The EN 12242 test method is used to perform a 180° peel test that is able to determine average peel and the peel strength characteristics of the product for a given rate of displacement.
The challenges of testing to this standard are:
- Rapid data capture rate
- Specimen gripping
Instron's Solution:
- Rapid data capture rate with Instron's 5900 controller allows data peaks and valleys to be captured accurately at up to 2,500 points per second
- Instron pneumatic side action grips with rubber faces are well-suited to gripping nearly all types of fabric specimens for this test while maintaining high throughput
It is important to review BS EN 12242-2000 in order to fully understand the test setup, procedure, and results requirements.
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5900 Series Premier Testing Systems Brochure
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2710-100 Series Screw Side-Action Grips
Screw side-action grips provide a very simple and efficient method for holding test specimens in a wide range of applications. The dual - acting design of 2710-100 series grips means that jaw faces can be adjusted to accommodate different specimen thicknesses. This ensures that the line of tensile force remains concentric with the grip body. They can be equipped with a selection of interchangeable grip jaw faces in various sizes and choice of surfaces including smooth ground, rubber-coated and serrated. Line contact and special coated faces are also available.The unique ‘snap-on’ jaw face attachment makes changing faces extremely quick and simple.
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2712 Series Pneumatic Side Action Grips (2712-041, 2712-042, 2712-045, 2712-046)
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