Astro-Cut BCL
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ASTRO-CUT BCL is a heavy duty BIOSTABLE semi-synthetic general purpose metalworking coolant containing approximately 20% mineral oil. This product, when diluted with water, forms a translucent amber emulsion which offers excellent workpiece visibility, good lubricity, and superior cooling. ASTRO-CUT BCL is designed for the machining and grinding of virtually all metals, except magnesium, and contains chlorine as an extremepressure additive for greater lubricity.
ASTRO-CUT BCL is designed for use in metal removal operations such as all CNC milling, turning, drilling, tapping, and grinding. ASTRO-CUT BCL is also excellent on conventional machining processes and sawing applications.
| Application | Concentration | Ratio | Refractometer |
| Tapping, Sawing, Reaming | 10% | 1:10 | 5.2 |
| General Machining | 5% | 1:20 | 2.1 |
| Grinding | 4% | 1:25 | 2.6 |
| Concentration | 4% | 5% | 6% | 7% | 8% | 9% | 10% |
| Ratio | 1:25 | 1:20 | 1:17 | 1:14 | 1:12 | 1:11 | 1:10 |
| Refractometer | 2.1 | 2.6 | 3.1 | 3.6 | 4.2 | 4.7 | 5.2 |
Appearance-Concentrate | Amber Liquid |
Appearance - Dilution | Translucent amber |
Residual Film | Soft, fluid |
pH @ 20:1 | 9.1 ± 0.2 |
Specific Gravity @ 60°F | 1.0 ± 0.03 |
Lbs/Gallon | 8.34 ± 0.1 |
Total Chlorine, wt % | 1.0 |
Flash point, PMCC | None |
