Approved by leading OEMs.
Featured Products
Hysol SL 45 XBB
What it is: High-performance, semi-synthetic metalworking fluid formulated for aerospace machining.
OEM approvals: Approved by leading aerospace manufacturers including Airbus and Boeing.
Ideal application: Precision machining of titanium, aluminium, and stainless-steel alloys.
Benefits: Exceptional sump life, reduced maintenance, and excellent surface finish with no compromise on operator safety.
Download the Castrol Hysol SL 45 XBB Approvals Data
Techniclean 90 XBC
What it is: A high-performance, water-based alkaline cleaner designed for aerospace applications.
OEM approvals: Approved by leading aerospace manufacturers including Rolls Royce.
Ideal applications: Precision cleaning of components during manufacture, maintenance, maintenance, and overhaul. Suitable for spray, immersion, and ultrasonic cleaning systems.
Benefits: Excellent oil separation and cleaning efficiency, safe for multi-metal use, extended bath life, and compliance with stringent aerospace standards.
Download the Castrol Techniclean 90 XBC Approvals Data
Hysol XF
What it is: High-performance, chlorine-free semi-synthetic metalworking fluid formulated without formaldehyde-releasing agents.
OEM approvals: Approved by leading aerospace manufacturers including Airbus, Safran Aircraft Engines, and Rolls-Royce.
Ideal application: Large central systems and single sump machines for multi-metal operations, including steel machining.
Benefits: Exceptional fluid life with reduced maintenance and downtime, enhanced tool life and surface finish, excellent product stability, and cleaner machine tools through reduced drag-out.
Download the Castrol Hysol XF Approvals Data
Alusol SL 61 XBB
What it is: High-performance semi-synthetic metalworking fluid formulated without boron and formaldehyde-releasing agents.
OEM approvals: Approved by leading aerospace manufacturers including Pratt & Whitney, Rolls-Royce, GE, and Safran Aircraft Engines.
Ideal applications: Large central systems and single sump machines for aluminium machining and multi-metal operations.
Benefits: Extended fluid life with reduced maintenance and downtime, improved tool life and surface finish, low foaming in recommended conditions, and cleaner machines thanks to reduced drag-out.
Download the Alusol SL 61 XBB Approvals Data
Metalworking Fluids
Castrol’s Hysol series of water-miscible metalworking fluids provide clean machining performance and long sump life. Engineered for aerospace alloys such as titanium, aluminium, and stainless steel, these coolants deliver excellent surface finish, improved tool life, and reduced maintenance requirements, helping manufacturers meet tight tolerances with confidence.
Products
- Hysol MB 50
Request Quote - Hysol SL 35 XBB
Request Quote - Hysol T 15 CSS 127
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Greases
The Castrol Braycote range of synthetic aerospace greases is designed for extreme conditions, from high vacuum to cryogenic environments. With outstanding thermal stability, corrosion protection, and low volatility, Braycote greases ensure long-lasting performance in both commercial and military aviation applications.
Products
- Braycote 3214
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Hydraulic Fluids
Castrol’s Brayco and Aero series of aerospace hydraulic fluids are trusted worldwide for their superior stability, low-temperature fluidity, and material compatibility. These fluids support critical flight control systems and landing gear hydraulics, ensuring reliable operation across a wide temperature range.
Products
- Aero 35
Request Quote - Aero 40
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Turbine & Engine Oils
For optimum engine efficiency and component protection, Castrol Brayco turbine oils deliver exceptional thermal stability and oxidation resistance. These products help extend service intervals, minimise deposits, and maintain performance in demanding turbine and jet engine environments.
Products
- Castrol Brayco 589
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Assembly & Maintenance
Castrol’s specialist aerospace assembly and maintenance fluids are designed to protect precision components during storage, assembly, and service. They provide corrosion protection, controlled lubrication, and compatibility with sensitive aerospace materials — helping reduce rework, downtime, and operational risk.
Products
- Castrol Brayco 589
Request Quote - Castrol Techniclean 90 XBC
Request Quote - Castrol Braycote 3214
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Ask us About The Castrol Free First Fill Offer
Available for new customers!
Eligible on first order. T&Cs apply.
Your Trusted Partner in Aerospace Lubrication
As the UK’s largest independent distributor of Castrol Aerospace lubricants, Certas Lubricant Solutions provides the technical expertise and responsive service needed to support mission-critical aerospace operations. Our team works closely with OEMs and manufacturers to recommend the right Castrol products for every application.
- Authorised Castrol distributor with access to the full aerospace portfolio
- OEM-approved solutions trusted by Airbus, Boeing, Rolls Royce, Safran, Bombardier, and BAE Systems
- Technical expertise & on-site support to optimise performance and reduce costs
- Reliable UK-wide supply network, ensuring fast and consistent delivery
- Commitment to sustainability, helping aerospace partners meet environmental goals
Latest Insights
Case Study
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Global manufacturer of valves and fittings in the aerospace industry
The Issue A leading global manufacturer specialising in stainless steel components, with 90% of its production reliant on this material, required a highly efficient coolant solution. This was particularly critical for their applications in the nuclear industry, where stringent standards such as Rolls Royce Nuclear Approval were mandatory. The company needed a product that would […]
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Case Study
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BAE Systems
CERTAS LUBRICANT SOLUTIONS GAINS BAE SYSTEMS CASTROL PRODUCT APPROVAL ISSUE: A review of the metalworking fluids used across an aerospace machining facility supporting BAE Systems identified a desire to seek improvements in fluid performance, product consolidation, and achieve greater efficiency and sustainability gains. This initiated a search for a cutting fluid that could support modern […]
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Uncategorized
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More than just a metalworking fluid supplier
Daily, Certas Application Specialist are out there at the coal face ensuring end users are utilising our vast range of industrial products to the best of their capabilities. But is does not stop there! We are always keen to inform our customers of the latest equipment solutions that can help them achieve further cost savings, […]
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With Certas, you’re not just choosing a lubricant supplier, you’re choosing a long-term partner dedicated to safety, reliability, and performance in aerospace operations.