Castrol Hysol 21 BF Semi-Synthetic Coolant

Description

Castrol Hysol® 21 BF (previously called Product™ WA 0073 6510BF) is a high performance semi-synthetic metalworking fluid formulated without chlorine, formaldehyde releasing agent and boron. It contains an additive package that provides excellent corrosion protection to machine tools and parts. It also provides excellent product stability which helps to lower the overall operational costs. Hysol 21 BF is suitable for large central systems and single sump machines.

Additional Information

Size

330 gal, 55 gal

BRIX Factor

1.0

Concentrate Appearance

Slightly Hazy to Amber Liquid

Density (lb/gal)

7.91

Dilution Appearance

Tight Emulsion, Stable

Features and Benefits

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

General Machining %

5 to 10

Grinding %

3 to 5

pH at 20:1 Ratio(pH)

9.3 to 9.8

Specific Gravity at 60ºF (15.6ºC)

0.94 to 0.96

Storage and Handling

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