ASTRO-CUT HIGH PRESSURE HD is a heavy duty BIOSTABLE semi-synthetic high pressure metalworking coolant. ASTRO-CUT HIGH PRESSURE HD combines the superior chemical flexibility of synthetics with mineral oil and a chlorinated extreme-pressure additive. ASTRO-CUT HIGH PRESSURE HD has exceptional foam control, hard water stability and tramp oil rejection. It provides outstanding extreme-pressure lubricity for
machining and grinding virtually all metals, particularly Aluminum, Stainless Steels and other hard to machine alloys. ASTRO-CUT HIGH PRESSURE HD is not recommended for use on Magnesium.

Product Data Sheet


ASTRO-CUT HIGH PRESSURE HD 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 3.2 4.0 4.8 5.6 6.4 7.2 8.0

Typical Properties

Appearance-ConcentrateAmber liquid
Appearance- DilutionTranslucent amber
Residual FilmSoft, fluid
pH @ 20:19.1 ± 0.2
Specific Gravity @ 60°F1.03± 0.03
Lbs/Gallon8.55 ± 0.1
pa_total-chlorine-wt3 – 5% max
Flash point, PMCCNone