ISO 458-1:1985

Plastics — Determination of stiffness in torsion of flexible materials — Part 1: General method

Publication date: 14 mar 1985

General information

Current stage: 90.93 Effective date: 7 dhj 2021

Originator: ISO

Owner: ISO/TC 61/SC 2

Type: International Standard

ICS: 83.080.01

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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Scope

Specification of a general method for the determination of the stiffness in torsion at various temperatures, particularly below 0 °C. An observation of torque and angle of deflection is made after an arbitrarily fixed time of load application, using the specified testing apparatus. This procedure is employed at a single temperature or at selected temperature intervals over a range specified for the material to be tested. The stiffness in torsion is expressed as the apparent torsional modulus of elasticity for each temperatur.

Life cycle

PREVIOUSLY

Revises
ISO/R 458:1965

NOW

PUBLISHED
ISO 458-1:1985
90.93 Standard confirmed
7 dhj 2021

National adoptions

SSH ISO 458-1:2000

DPS

Plastika - Përcaktimi i ngrirjes në përdredhjen e materialeve të përkulshme - Metoda e përgjithshme

60.60 Standard published

DPS/KT 249 më tepër

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