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API STD 521: Guide for Pressure-relieving and Depressuring Systems – Edition 6

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ISO 13145:2023

ISO 13145:2023 Rubber – Determination of viscosity and stress relaxation using a rotorless sealed shear rheometer

CDN $186.00

Description

This document describes a method for the determination of the viscosity and stress relaxation of raw or compounded rubber under specified conditions.

The viscosity determination consists of a constant strain, temperature and frequency test in which the elastic and the loss components of the complex shear modulus can be determined.

The determination of stress relaxation consists of a constant static strain and temperature test in which the torque decrease can be determined.

Edition

2

Published Date

2023-07-26

Status

PUBLISHED

Pages

15

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document describes a method for the determination of the viscosity and stress relaxation of raw or compounded rubber under specified conditions.

The viscosity determination consists of a constant strain, temperature and frequency test in which the elastic and the loss components of the complex shear modulus can be determined.

The determination of stress relaxation consists of a constant static strain and temperature test in which the torque decrease can be determined.

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