Foreword
1 Scope
2 Normative references
3 Designation system
3.1 General
3.2 Data block 1
3.3 Data block 2
3.4 Data block 3
3.4.1 General
3.4.2 Viscosity number
3.4.3 Melt volume-flow rate
3.4.4 Charpy impact strength
3.5 Data block 4
3.6 Data block 5
4 Examples of designations
4.1 Designation only
4.2 Designation transformed into a specification