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

Plastics and rubber technology
Hardness measurement
Dead loading
Thermoplastic polymers
Rubber
Vulcanized rubber
Instrument scales
Test equipment
Hardness testing

Link: BS ISO 48-3:2018 Rubber, vulcanized or thermoplastic. Determination of hardness Dead-load hardness using the very low rubber hardness (VLRH) scale
Source: BSI Standards