Viscobat

VISCOBAT

Select a function to start.

VI (ASTM D2270)

Calculate viscosity index from two temperature/viscosity data points using ASTM D2270

T Extrapolation

Extrapolate fluid properties at different temperatures using the Walther/Refutas correlation

Blend → Viscosity

Calculate mixture viscosity from the mass percentages of its components

Viscosity → Blend

Find blend proportions to achieve a target viscosity

Protected

Complex Blends

Solve complex formulation problems with multiple constraints

NewProtected

VII Blending

Estimate required VII treat rates and resulting KV100 for blends.

NewProtected

7-Blend Plan

Spreadsheet layout: components as rows and blends as columns. Columns unlock after previous step is saved.

New

Toolbox

Interactive conversion tools, grade curves, and viscosity cross-reference utilities