Flexible cellular polymeric materials - Determination of tensile strength and elongation at break
WARNING - Persons using this standard shall be familiar with normal laboratory practice. This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditions.
1 Scope
This standard specifies a method for determining the strength and deformation properties of flexible cellular materials when a test piece is extended at a constant rate until it breaks.
This standard is applicable to flexible cellular polymeric materials.
2 Normative references
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
HG/T 3054-1988 (1997) Latex foam - Determination of liner dimensions (eqv ISO 1923: 1981)
3 Definitions
For the purposes of this standard, the following definitions apply.
3.1
tensile strength
maximum tensile stress applied during stretching a test piece to rupture
3.2
elongation at break
percentage elongation of a test piece at rupture
Foreword i
1 Scope
2 Normative references
3 Definitions
4 Apparatus
5 Test pieces
6 Procedure
7 Calculation
8 Test report
