Fiber & Raw Material Engineering

Spinning Consistency Index (SCI) Predictor

Enter the full HVI line for the mix. A higher SCI indicates a cotton that spins to higher yarn strength.

Fibre Properties HVI line
g/tex
inch
%
mic
Colour Grade Colorimeter
%
b

Spinning Consistency Index

—

USTER HVI regression score

Regression Contributions

Strength Contribution
— pts
Length Contribution
— pts
Uniformity Contribution
— pts
Colour Contribution
— pts

SCI is a relative predictor calibrated on ring-spun carded yarn. Treat it as a ranking tool between mixes, not an absolute strength forecast.

Spinning Consistency Index (SCI) Predictor — free, with the formula and a worked example, at Textile School.