| Code | API_Plastic_Viscosity |
| Name | API Plastic Viscosity |
| Parents | Property > Viscosity > Plastic_Viscosity |
| Description | Measure of the internal resistance to fluid flow attributable to the amount, type, and size of solids present in a given fluid. When using the direct-indicating viscometer, it is found by subtracting the 300-rpm reading from the 600-rpm reading of a Fann35 rheometer. |
