Castrol Hysol SL 45 XBB
01736 757002Castrol Hysol SL 45 XBB High Performance Soluble Metalworking Fluid
Castrol Hysol SL 45 XBB is a premium soluble metalworking fluid designed to deliver excellent machining performance, cleaner operation, and extended fluid life.
It is free from boron, chlorine, and formaldehyde-releasing agents, helping you meet the latest environmental and waste management regulations.
Thanks to Castrol’s advanced XBB technology, this fluid offers stable pH levels, strong resistance to bacterial growth, and reduced maintenance needs. The result is a cleaner system, longer service life, and lower overall operating costs.
Why Choose Castrol Hysol SL 45 XBB?
By choosing Castrol Hysol SL 45 XBB, you invest in a long-lasting, high-efficiency fluid that supports better machining quality and lower production costs.
Its modern, eco-friendly formulation helps companies stay compliant while improving productivity and cleanliness across operations.
This makes Castrol Hysol SL 45 XBB the smart, sustainable choice for today’s manufacturers who value performance, reliability, and environmental responsibility.
Superior Machining Performance
Castrol Hysol SL 45 XBB contains a high-quality additive package that improves both tool life and surface finish.
Its advanced lubricating properties help achieve smoother cuts, better dimensional accuracy, and consistent results during long production runs.
In addition, its low-foam formulation ensures reliable operation in both high-pressure and high-speed systems, even under varying water conditions.
This versatile metalworking fluid is specially developed for the aerospace industry, where precision and surface quality are essential. It performs exceptionally well when machining aluminium and titanium alloys.
However, it’s not limited to non-ferrous metals — Castrol Hysol SL 45 XBB is also suitable for ferrous alloys, making it ideal for manufacturers who work with a mix of materials.
Whether used in large central systems or single-sump machines, it provides consistent performance and long-term reliability.
Castrol Hysol SL 45 XBB High-Performance Soluble Metalworking Fluid Advantages:
- Free from boron, chlorine, and formaldehyde-releasing agents – helps meet environmental standards and simplifies waste treatment.
- Extended fluid life – stable formulation resists degradation, reducing downtime and maintenance.
- Low foam in a wide range of water conditions – ensures smooth operation and prevents production interruptions.
- Enhanced lubrication – helps improve tool life and achieve superior surface finishes, especially on aluminium and titanium.
- Excellent wetting and cleaning properties – reduces coolant drag-out and keeps machines and components cleaner.
- Versatile performance – suitable for multiple metals and applications, helping to consolidate products and simplify inventory.
Superior Machining Performance
Castrol Hysol SL 45 XBB contains a high-quality additive package that improves both tool life and surface finish.
Its advanced lubricating properties help achieve smoother cuts, better dimensional accuracy, and consistent results during long production runs.
In addition, its low-foam formulation ensures reliable operation in both high-pressure and high-speed systems, even under varying water conditions.
| Test | Method | Unit | Value |
| Concentrate | |||
| Appearance | Visual | Amber | |
| Mineral oil content | Calculated | Wt% | 45 |
| Emulsion | |||
| Appearance | Visual | Milky | |
| pH (5%) | DIN 51361
ASTM E70-97 |
9.4 | |
| Refractometer Factor | 1.0 |
Castrol Hysol SL 45 XBB Superior Machining Performance
Castrol Hysol SL 45 XBB contains a high-quality additive package that improves both tool life and surface finish.
Its advanced lubricating properties help achieve smoother cuts, better dimensional accuracy, and consistent results during long production runs.
In addition, its low-foam formulation ensures reliable operation in both high-pressure and high-speed systems, even under varying water conditions.
Recommended Concentrations:
Grinding 5-7%
General Machining 6-8%
Drilling 7-9%
Reaming and tapping 8-10%
Broaching 8-10%
Water range 100-800 ppm CaCO3
Storage Advice:
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.
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