Castrol Optitemp RB 1 Grease is a special polyalphaolefin-based lubricant designed specifically for robot cables. The product ensures smooth cable movement, reduces friction, prevents wear, and provides long-term protection even under harsh temperature conditions.
1. Product Description
1.1 Introduction to Castrol Optitemp RB 1 Grease
Castrol Optitemp RB 1 Grease is a special light beige lubricant based on polyalphaolefin (PAO) with lithium soap thickener, developed specifically for lubricating cables in robotic systems.
The product has a soft texture, making it easy to apply manually or with a spray gun, allowing cables to move smoothly while reducing friction along rails, walls, or inside insulating plastic tubes.

1.2 Key Features and Applications
To ensure stable and long-term operation of robot cables, Castrol Optitemp RB 1 Grease offers the following key advantages:
- Wide operating temperature range: from -50°C to +120°C (-58°F to +248°F).
- High-quality lubrication for robotic environments: ensures smooth cable operation, reduces friction, and maintains performance over extended periods.
- Easy application: soft consistency, suitable for both manual lubrication and spray gun use, saving time and effort during installation.
- Resistance to harsh conditions: water-resistant, anti-wear, heat-resistant up to 120°C, keeping components stable without hardening or performance loss over time.
- Safe for multiple materials: compatible with elastomers, plastics, and paints, making it suitable for modern robotic systems with various housings and coatings.
2. Technical Specifications of Castrol Optitemp RB 1 Grease
- Product name: Optitemp RB 1
- Manufacturer: Castrol
- Color: Light beige
- Base oil: Lithium
- Worked penetration (60 strokes @ 25°C): 296 (0.1 mm)
- Drop point: 192°C / 377.6°F
- Water resistance (DIN 51807-1): Rating 0 (no water penetration)
- Corrosion test: Rating 0
- Copper corrosion: Rating 0 (non-corrosive to copper)
- Oil separation after 168h at 40°C: 3.7%
3. Usage Notes
When using Castrol Optitemp RB 1 Grease, please consider the following important points to ensure safety and optimal performance:
- Optitemp RB 1 provides excellent resistance to wear, water, and heat, and does not harden over time.
- Do not mix with other greases to avoid reducing the product’s performance.
4. Benefits of Purchasing Spare Parts and Equipment at Robotnext
- Committed to providing genuine products, materials, and equipment for industrial robots and automation systems, meeting the quality and needs of businesses.
- A team of experienced staff and technicians determines our products.
- Customers can contact directly via Hotline 090 99 148 37 – 09 388 93 197 for the most accurate and detailed technical advice. As well as receiving incentives for the product.
- Shipping Policy: After receiving the order information, Robotnext’s staff will confirm and check the inventory of goods. Send a quote to the customer about the order value and accompanying shipping costs.
- Warranty policy due to technical errors and changes is clearly defined. See details here.
ROBOTNEXT is an authorized supplier of components, equipment, and replacement materials from major manufacturers such as Yaskawa, FANUC, ABB,… that have passed quality inspection. We specialize in providing products and services in industrial automation.
Read more: Spare Parts in robotic arms.
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