BS EN ISO 6383-2:2004
$102.76
Plastics. Film and sheeting. Determination of tear resistance – Elmendorf method
Published By | Publication Date | Number of Pages |
BSI | 2004 | 16 |
A method of determining the force required to propagate a tear from a specified slit under specified conditions of loading.
PDF Catalog
PDF Pages | PDF Title |
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1 | BRITISH STANDARD |
2 | Committees responsible for this British�Standard |
6 | Foreword Endorsement notice Contents |
7 | Introduction 1 Scope and field of application 1.1 This part of ISO�6383 specifies a method of determining the force required to propagate a tea… 1.2 The tear resistance test specified by this method is applied to specimens cut from semi-finis… 1.3 There is no direct linear relationship between tearing force and specimen thickness. Data fro… 2 References 3 Definition 3.1 tear resistance 4 Principle 5 Apparatus 5.1 Stationary jaw |
8 | 5.2 Means for holding the pendulum 5.3 Means for determining the energy expended by the pendulum 5.4 Incremental masses 5.5 Suitable measuring equipment 6 Test specimens 6.1 The test specimen shall have the shape and dimensions shown in 6.2 The test specimen may be cut from the sample using templates and a sharp knife. Special atten… 6.3 Unless otherwise specified by the specification for the material being tested, five test spec… 6.4 When testing film in the machine (longitudinal) direction, test specimens shall be oriented s… 7 Conditioning 8 Procedure 8.1 Determine the thickness of the material being tested by the method specified in ISO�4591 and�… 8.2 Check that the Elmendorf apparatus is level. Lift and arrest the pendulum, set the indicating… |
9 | 8.3 Carry out a few tests by the procedure specified in� 8.4 Lift and arrest the pendulum of the machine and set the indicating mechanism to its starting … 8.5 When constant-radius test specimens (see� 9 Calculation and expression of results 9.1 From the scale readings, determine, according to the machine manufacturer’s instructions, the… 9.2 Calculate the arithmetic mean tear resistance in each principal direction of the film or shee… 9.3 If required, calculate the standard deviation for each set of results. 10 Test report |
10 | Figure 1 – Elmendorf tear test apparatus Figure 2 – Constant-radius test specimen |
11 | Figure 3 – Rectangular test specimen |
12 | Annex A Adjustment and maintenance of the instruments A.1 Inspection A.2 Levelling A.3 Zero adjustment A.4 Pendulum friction A.5 Tearing length |
13 | Annex B Calibration of the instrument |
14 | Annex ZA (normative) Normative references to international publications with their relevant European publi… |