Castrol Hysol SL 37 XBB is a boron-free and formaldehyde-releasing-biocide-free, water-miscible high-performance metalworking fluid for machining operations. It contains an additive package designed to support machine performance and surface finish, provide excellent stability and help reduce machining costs.
Recommended concentration for Castrol Hysol SL 37 XBB
- General machining: 5 – 8 %
- Drilling: 7 – 10 %
- Reaming & tapping: 7 – 10 %
- Broaching: 8 – 10 %
What is Castrol Hysol SL 37 XBB suitable for?
- Suitable materials: Steel, cast iron and selected aluminium alloys
- Systems: Suitable for single machines and central systems
- Process reliability: Very stable emulsion for consistent machining quality
- Foaming: Low foaming tendency under recommended water conditions
- Wetting: Good wetting properties
FAQ – Frequently asked questions about Hysol SL 37 XBB
Is Hysol SL 37 XBB boron-free?
Yes. The formulation is boron-free and contains no formaldehyde-releasing biocides.
Can the product be used in central systems?
Yes, it is suitable for both single sumps and large central systems.
Which materials is the product suitable for?
Steel, cast iron and selected aluminium alloys.
Is it suitable for finer processes?
Yes, the stable emulsion supports reliable process quality and a clean machine environment.
How does the product perform regarding foaming?
Low foaming behaviour within the recommended water hardness/conditions.
