Second edition. Textiles – Test methods for nonwovens -. Part 4: governmental, in liaison with ISO, also take part in the work. IS0. Purchase your copy of BS EN ISO as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. Buy ISO (R) TEXTILES – TEST METHODS FOR NONWOVENS – PART 4: DETERMINATION OF TEAR RESISTANCE from.
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A rectangular specimen is marked and prepared so that it can be loaded in the grip faces at an angle, allowing a tear to propagate across the specimen. For this isi, it is important to have an increased test data rate to ensure the capture a high number of data points.
973-4 is because when individual fibers within the fabric fail, the data rate must be fast enough to catch these peaks.
BS EN ISO 9073-4:1997
Pneumatic side action grips with rubber coated jaw faces are well suited for clamping of the trapezoid specimens. While manual action grips will work, many prefer pneumatic side action grips for ease 90734- use, productivity, and better repeatability. Adjustable grip pressure also allows users to fine-tune the gripping pressure to avoid jaw breaks or slippage. It is important to review ISO 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 series grips means that jaw faces 90734- be adjusted to accommodate different specimen thicknesses. This ensures that the line of tensile force remains concentric with the grip body. They can 90734- 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. They are designed with standard and optional features that increase testing efficiency and improve the testing experience for the operator. Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience.
Discover simpler and smarter testing with features such as pre-loaded test methods, QuickTest sio seconds, enhanced data exporting: Users of previous versions of software such as Bluehill 2 and Bluehill 3 can easily upgrade to the newest version of Bluehill.
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Glossary of Materials Testing Terms.
Contact Us View Accessories Catalog. Description Literature Contact Us This standard specifies a procedure to determine the tear force of nonwoven textile fabrics using the trapezoid method.
ISO Tear Resistance Nonwovens – Instron
The challenges of testing to this standard are: 907-4 data capture rate Specimen gripping Instron’s Solution: Bluehill Universal Brochure Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience.
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