Product Data Description Castrol® Alusol® SL 51 XBB is a high performance soluble metalworking fluid formulated without boron, biocides, formaldehyde releasing agents, chlorine and secondary amines/DCHA. It contains an additive package that may help to enhance machining performance and surface finish. It also provides excellent product stability which helps to lower the overall operational costs. Alusol SL 51 XBB is suitable for large central systems and single sump machines. Alusol SL 51 XBB is formulated specially for machining of aluminum alloys. However, it is also well suited for machining of ferrous alloys. • • suggested core application • possible application, please consult Castrol representative prior to use Advantages • Formulated without Boron, Chlorine, Biocides and Formaldehyde releasing agents which may help fulfill legislative and waste treatment requirements that specify exclusion of these chemistries • Formulated without Secondary Amines / DCHA to help fulfill local requirements that exclude these chemistries • Extended fluid life can help reduce maintenance and machine downtime • Low foam in recommended water conditions (see details below) • Lubrication package designed to help to enhance tool life and improve surface finish on aluminum machining • Good wetting properties can help reduce coolant drag out and help deliver cleaner machine tools and components • Suitable for a wide range of materials and applications provides opportunity for product consolidation

Storage To avoid product deterioration always keep the container/drum tightly sealed. For optimum product stability, store between 5°C/41°F and 45°C/113°F in a cool, dry place away from direct sunlight. Prevent exposure to frost and avoid water ingress. It is preferable to store the product indoors. For more details, please refer the product safety data sheet. Alusol SL 51 XBB 31 May 2019 Castrol, the Castrol logo and related marks are trademarks of Castrol Limited, used under licence. This data sheet and the information it contains is believed to be accurate as of the date of printing. However,...