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ISO/CD 458-2

Plastics — Determination of stiffness in torsion of flexible materials — Part 2: Application to plasticized compounds of homopolymers and copolymers of vinyl chloride

General information

30.60     Mar 7, 2026

ISO

ISO/TC 61/SC 2

International Standard

Scope

Application of the general method in ISO 458-1 for the above mentioned plastics according to the special case of the method with an angle of deflection between 55 and 65 . The temperatures according to three characteristic values of the torsion stiffness; 300 MPa, 23 MPa and 4 MPa are to be determined for the material under test.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 458-2:1985

NOW

PROJECT
ISO/CD 458-2
30.60 Close of voting/ comment period
Mar 7, 2026