ASTRO-CUT MICRO A HP is a heavy duty mineral oil based BIOSTABLE micro-emulsion concentrate designed for the machining and grinding of virtually all metals except magnesium. ASTRO-CUT MICRO A HP has exceptional foam control for high pressure operations and is formulated without the use of chlorine. This product offers a long sump life and a high degree of emulsion stability, even in hard water. ASTRO-CUT MICRO A HP is not recommended for use on Magnesium.

Product Data Sheet


ASTRO-CUT MICRO A HP is designed for use in high and low pressure metal removal operations such as all CNC milling, turning, drilling, tapping, grinding and sawing.

Recommended Concentrations


Concentration, % 4% 5% 6% 7% 8% 9% 10%
Ratio 1:25 1:20 1:17 1:14 1:12 1:11 1:10
Refractometer 3.3 4.1 4.9 5.7 6.6 7.4 8.2

Typical Properties

Appearance-ConcentrateAmber liquid
Appearance- DilutionTranslucent amber
Residual FilmSoft, fluid
pH @ 20:19.1 ± 0.2
Specific Gravity @ 60°F1.0 ± 0.03
Lbs/Gallon8.34 ± 0.1
Flash point, PMCCNone