1 Scope

This International Standard specifies two methods for the determination of the tear strength of flexible cellular polymeric materials:

⎯  method A, using a trouser test piece;

⎯  method B, using an angle test piece without a nick.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 1923, Cellular plastics and rubbers — Determination of linear dimensions

ISO 7500-1,  Metallic materials — Verification of static uniaxial testing machines — Part 1:

Tension/compression testing machines — Verification and calibration of the force-measuring system

COORS electromechanical Universal testing machine ETM series type A, S, R and D is suitable for this test.