ISO 4674-1:2003
Rubber- or plastics-coated fabrics — Determination of tear resistance — Part 1: Constant rate of tear methods
ISO 4674-1:2003 describes two methods for determining the forces necessary to initiate and propagate tearing of a coated fabric using the constant rate of tear method. The methods described are:
- method A: tongue tear;
- method B: trouser tear.
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TitlePage - Rubber- or plastics-coated fabrics— Determination of tear resistance—
TableofContent - Contents Page
Foreword - Foreword
Introduction - Introduction
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 4 Apparatus
UntitledSubclause2 - 4.1 Constant rate of extension tensile-testing machine
Clause1 - 5 Atmospheres for conditioning and testing
Clause1 - 6 MethodA— Tongued (double-tear) test piece
Subclause2 - 6.1 Selection and preparation of test pieces
Subclause2 - 6.2 Procedure
Subclause2 - 6.3 Calculation and expression of results
Subclause3 - 6.3.1 Trace with a series of definite peaks
Subclause4 - 6.3.1.1 Manual evaluation of tear forces from the chart recording
Subclause4 - 6.3.1.2 Calculation using an electronic device
Subclause3 - 6.3.2 Trace without definite peaks
Clause1 - 7 MethodB— Trouser-shaped (single-tear) test piece
Subclause2 - 7.1 Selection and preparation of test pieces
Subclause2 - 7.2 Procedure
Subclause2 - 7.3 Calculation and expression of results
Clause1 - 8 Precision
Clause1 - 9 Test report
AnnexInformative - Example of calculation of tear force
Clause1 - A.1 Example of tear trace
Clause1 - A.2 Alternative approach using medium-sized peaks
AnnexInformative - Wide-width trouser-shaped test piece
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TitlePage - Rubber- or plastics-coated fabrics— Determination of tear resistance—
TableofContent - Contents Page
Foreword - Foreword
Introduction - Introduction
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 4 Apparatus
UntitledSubclause2 - 4.1 Constant rate of extension tensile-testing machine
Clause1 - 5 Atmospheres for conditioning and testing
Clause1 - 6 MethodA— Tongued (double-tear) test piece
Subclause2 - 6.1 Selection and preparation of test pieces
Subclause2 - 6.2 Procedure
Subclause2 - 6.3 Calculation and expression of results
Subclause3 - 6.3.1 Trace with a series of definite peaks
Subclause4 - 6.3.1.1 Manual evaluation of tear forces from the chart recording
Subclause4 - 6.3.1.2 Calculation using an electronic device
Subclause3 - 6.3.2 Trace without definite peaks
Clause1 - 7 MethodB— Trouser-shaped (single-tear) test piece
Subclause2 - 7.1 Selection and preparation of test pieces
Subclause2 - 7.2 Procedure
Subclause2 - 7.3 Calculation and expression of results
Clause1 - 8 Precision
Clause1 - 9 Test report
AnnexInformative - Example of calculation of tear force
Clause1 - A.1 Example of tear trace
Clause1 - A.2 Alternative approach using medium-sized peaks
AnnexInformative - Wide-width trouser-shaped test piece