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Castrol Hysol® MB 50 is a high performance soluble metal working fluid recommended for machining all grades of aluminum as well as ferrous alloys. Hysol MB 50 provides the performance of heavy duty soluble oils without the unpleasant shop environments and high usage rates of traditional fluids. Hysol MB 50 is formulated without chlorine, sulfur and formaldehyde releasing agents. Its performance can exceed products which contain extreme pressure additives. The tight, stable emulsion of Hysol MB 50 provides extended system life and product stability.
Unit of Measure

Package Type

 N/A Drum

Concentrate Appearance

 N/A Slightly Hazy to Amber Liquid

Dilution Appearance

 N/A Tight Emulsion, Stable

Specific Gravity at 60 Degree Fahrenheit (ºF) (15.6 Degree Celsius (ºC)) Temperature

 N/A 0.94 to 0.96

Density

 N/A 7.91 lb/gal

Potential of Hydrogen (pH) at 20:1 Ratio

 N/A 9.3 to 9.8 pH

BRIX Factor

 N/A 1.0

General Machining

 N/A 5 to 10 %

Grinding

 N/A 3 to 5 %

Features and Benefits

 N/A
  • Effective wetting properties maintains clean machines and components
  • Stable fluid suitable for a wide range of water conditions
  • Inhibits microbial growth to extend fluid life in central systems and individual sumps
  • Low foaming in varying hardness water conditions
  • Formulated without Formaldehyde releasing agents to comply with health and safety regulations
  • Specifically designed to provide superior performance on aerospace and automotive aluminum
  • Contains boron and EP-Ester additives
  • Contains amines
  • Free of:
    • Nitrites
    • Chlorine
    • Phenols

Storage and Handling

 N/A Concentration should be maintained at 5 – 10%. Addition of product concentration in regular, standard additions will help maintain pH, bio-stability and additive levels.

Systems using Hysol MB 50 should be maintained at a pH range of 8.8 – 9.3. Maintenance of pH level is important to control biological activity of coolant system