ISO 48-3:2018
Rubber, vulcanized or thermoplastic - Determination of hardness - Part 3: Dead-load hardness using the very low rubber hardness (VLRH) scale

Standard No.

ISO 48-3:2018

Release Date

2018

Published By

International Organization for Standardization (ISO)

Latest

ISO 48-3:2018

Scope

This document specifies a dead-load method for the determination of the hardness of very soft vulcanized or thermoplastic rubbers using the very low rubber hardness (VLRH) scale. The relation between the depth of penetration and the VLRH scale is linear.

ISO 48-3:2018 Referenced Document

• ISO 18899:2013 Rubber - Guide to the calibration of test equipment
• ISO 23529:2016 Rubber - General procedures for preparing and conditioning test pieces for physical test methods
• ISO 48-9:2018 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 9: Calibration and verification of hardness testers

ISO 48-3:2018 history

• 2018 ISO 48-3:2018 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 3: Dead-load hardness using the very low rubber hardness (VLRH) scale