International Organization for Standardization (ISO)
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ISO 27588:2012
Scope
This International Standard 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 27588:2012 history
2012ISO 27588:2012 Rubber, vulcanized or thermoplastic - Determination of dead-load hardness using the very low rubber hardness (VLRH) scale
2008ISO 27588:2008 Rubber, vulcanized or thermoplastic - Determination of dead-load hardness using the very low rubber hardness (VLRH) scale