Anti-Smut 100 is recommended for use in all types of nitric acid etch solutions (for example, etch inspection of high strength, low alloy steel parts)
Excellent stability with nitric acid.
Inhibits smutting on the surface of the part during nitric acid etch inspections.
Liquid product that is easily incorporated into nital etch solutions.
|Appearance||Clear amber liquid|
|Colour, 20 % in water||< 250 Hazen|
|pH, 20 % in water||6.0 - 7.0|
|Viscosity, @ 20 °C||< 150 mPas|
|Density, @ 20 °C||1037 - 1057 g/cm3|
|Pour point||~ 0 °C|
|Clear point||~ 0 °C|
|Solubility||Fully soluble in water|
A basic example composition for a temper etch solution would be as follows:
• 0.5 – 5% v/v Nitric Acid
• 3 – 5% Antismut 100
• Water (to 100 %)