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Testing Solutions » By Test Type » Peel, Tear & Friction » ISO 8067

ISO 8067 Flexible Cellular Polymeric Materials Tear Strength

Standard

  • ISO 8067
  • JIS K6400-5

Materials

  • Plastics

Business Sector

  • Consumer/Industrial Products

Test Types

  • Peel, Tear and Friction
  • Tension

Specimen

  • Rectangular
Contact usView Accessories Catalog
  • Description
  • Literature

This method is used to investigate the tear strength of flexible cellular polymeric materials that have a specified thickness. This test is for the determination of peak force and the tear strength characteristics of the product for a given rate of displacement.

In principle, the test specimen is clamped in the jaws of the testing machine, making sure that the test specimen is properly gripped. A force is applied at a constant rate of displacement - tearing the specimen until fracture. ISO 8067 allows for two types of specimens: Method A uses a trouser tear specimen, while Method B uses an angled test piece.

The challenges of testing to this standard: 

  • Data collection
  • Specimen gripping

Our solutions:

  • Data collection – The tear force is calculated from the force peaks collected throughout the test. We recommend using a high-speed intelligent test data logging rate found in Bluehill® Universal so users can be sure all critical peaks are captured.
  • Specimen gripping – We recommend pneumatic side action grips with rubber coated jaw faces for clamping of the material fitted to a tensile testing machine. While manual action grips will work, many of our users prefer the pneumatic action grips for ease of use, productivity, and better repeatability. Pneumatic side action grips allow you to set a clamping pressure, while the manually operated grips depend on the operator's strength. Gripping pressure and specimen alignment are very important in these tests. Too much gripping pressure can produce premature breaks, while not enough gripping pressure can lead to specimen slippage or breaks at or near the jaws. These grips are usually fitted to single column or dual column machines.

We suggest reviewing ISO 8067:2008 to fully understand the test fixture and results requirements.

2712 Series Pneumatic Side Action Grips (2712-041, 2712-042, 2712-045, 2712-046)

Instron® 2712-04x Series Pneumatic grips, packed with features to enhance gripping performance, usability, and operator safety.

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  • 5/16/2019
  • 0.7 MB

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.

  • Products
  • 6/28/2017
  • 1.3 MB

5900 Series Premier Testing Systems Brochure

5900 Universal Testing Systems are engineered for precision, built for durability, and offer the flexibility for changing requirements. They are designed with standard and optional features that increase testing efficiency and improve the testing experience for the operator. A wide range of models are available for testing capacities from < 100N up to 600kN.

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  • 1/22/2019
  • 6.8 MB

3300 Series - Affordable Testing Solutions

Instron 3300 Series Universal Testing Systems for Tensile, Compression, Bend, and other material property tests.

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  • 6/19/2017
  • 2.2 MB

Bluehill® Universal Software

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 in seconds, enhanced data exporting: and Instron Connect – a new feature that provides a direct communication link to Service. 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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  • 2/26/2017
  • 4.4 MB

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