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ASTRO-CUT SS-250

1 of 33 products in this brand
ASTRO-CUT SS-250 is a semi-synthetic, general-purpose metalworking coolant containing approximately 10% mineral oil. This product, when diluted with water, forms a translucent amber emulsion that offers excellent workpiece visibility, good lubricity, and superior cooling. It is designed for the machining and grinding of virtually all metals, except magnesium, and is formulated without the use of chlorine.

Application Area: Drilling Applications, Grinding Applications, Machining Operations, Metalworking Equipment, Milling Operations, Sawing Operations, Tapping Operations, Turning Operations

Features: Corrosion Resistant, Excellent Lubricity, General Purpose, Good Hard Water Stability, Long Term Protection

Metalworking Fluid Type: Semi-Synthetic

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Base Oil Type
Metalworking Fluid Type

Features & Benefits

Product Highlights
  • Good Workpiece Visibility
  • Mild Pleasant Odor
  • Excellent Corrosion Inhibition
  • Long Lasting
  • Excellent Hard Water Stability
  • Operator Friendly

Applications & Uses

Markets
Applications

Designed for use in metalworking applications such as all CNC milling, turning, drilling, tapping, and grinding, ASTRO-CUT SS-250 is also excellent on conventional machining processes and sawing applications.

Recommended Concentration
Application Concentration Ratio Refractometer
Tapping, Sawing, Reaming 10% 1:10 4
General Machining 7% 1:14 2.8
Grinding 4% 1:25 1.6
Mixing
Concentration, % 4% 5% 6% 7% 8% 9% 10%
Ratio 1:25 1:20 1:17 1:14 1:12 1:11 1:10
Refractometer 1.6 2 2.4 2.8 3.2 3.6 4

Properties

Physical Form
Appearance
Amber liquid, Translucent amber (Dilution)
Typical Properties
ValueUnitsTest Method / Conditions
Residual FilmSoft, fluid--
pH (at 20:1)8.8 - 9.2--
Density8.24 - 8.44lbs/gal-
Total ChlorineNil--
Flash PointNil-PMCC

Regulatory & Compliance

Certifications & Compliance