4% Nital

general purpose

Composition

4% Nitric Acid in Ethanol

4%

Method

immersion

Time

12s

Basic Information

Category:General Purpose

Composition:4% Nitric Acid in Ethanol

Concentration:4%

Reveals:Grain boundaries, ferrite, pearlite, bainite

Typical Results:Intermediate concentration between 3% and 5% Nital. Good balance for medium-hardness steels.

Color Effects:Pearlite darkens, ferrite remains light