Castrol Hysol SL 36 XBB

Castrol Hysol SL 36 XBB is a high-performance semi-synthetic metalworking fluid designed to deliver outstanding machining results, reliable corrosion protection, and long-term fluid stability.
This advanced formula is free from boron, chlorine, and formaldehyde-releasing agents, making it compliant with modern environmental and waste management regulations.

Developed using Castrol’s XBB technology, Hysol SL 36 XBB offers excellent biological resistance, helping maintain stable pH levels and extending fluid life. The result is lower maintenance costs, cleaner machines, and more efficient operations.

Enhanced Machining and Surface Finish

The specially balanced additive system in Castrol Hysol SL 36 XBB helps improve machining performance and surface finish across a wide variety of metals.
Its superior lubricity reduces tool wear and enhances cutting precision, while excellent wetting properties minimise coolant drag-out, keeping machines and components cleaner.

Thanks to its low-foam formulation, Hysol SL 36 XBB performs reliably in modern high-speed and high-pressure machining systems, ensuring smooth and consistent operation.

Why Choose Castrol Hysol SL 36 XBB?

Castrol Hysol SL 36 XBB combines performance, stability, and environmental responsibility in one advanced semi-synthetic formulation.
It helps manufacturers achieve superior machining precision, longer tool life, and lower operational costs—all while meeting today’s stringent sustainability standards.

With Castrol’s XBB technology, this fluid delivers consistent, high-quality results and supports cleaner, more efficient production across a range of machining operations.

Castrol Hysol SL 36 XBB is suitable for use in both large central systems and single-sump machines, providing great flexibility in production environments.
It is particularly well-suited for the machining of ferrous and aluminium alloys, making it a dependable choice for industries such as automotive, aerospace, and general engineering.

The product’s excellent corrosion protection helps protect both machine tools and finished parts, reducing the risk of rust and staining during and after machining.

Castrol Hysol SL 36 XBB High Performance Semi-Synthetic Metalworking Fluid Advantages:

• Free from boron, chlorine, and formaldehyde-releasing agents – supports compliance with environmental and waste treatment regulations.

• Extended fluid life – resists bacterial degradation, helping to reduce maintenance and machine downtime.

• Low foam under recommended water conditions – ensures stable, reliable performance in high-speed systems.

• Excellent corrosion protection – helps protect machines and components from rust and surface damage.

• Good wetting and cleaning properties – reduce coolant carry-off and promote cleaner, more efficient machining.

• Versatile performance – suitable for a wide range of materials and applications, allowing for product consolidation and simplified inventory.

Storage:

To avoid product deterioration always keep the container/drum tightly sealed. Store the product in a cool, dry place away from direct sunlight. Prevent exposure to frost and avoid water ingress.

For optimum product stability, it is preferable to store the product indoors between 5°C and 45 °C / 41°F and 113°F.
For more details, please refer to the product safety data sheet.

Suggested Concentrations:

Grinding 4-6%
General Machining 5-10%
Water range 50-400 ppm CaCO3

Download Technical Data Sheet

Download Safety Data Sheet

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