Description
Castrol Optigear Synthetic X 320 Gear oil PAO-based ISO VG 320
Castrol Optigear™ Synthetic X is based on synthetic hydrocarbons and Castrol’s Microflux Trans (MFT) Plastic Deformation (PD) additive system and surface improvement additive package.
Application
- Optigear™ Synthetic X may be used in spur gear, bevel gears or planetary gear units and in heavy loaded gear units, e.g. wind turbine main gears. It is also suitable for the lubrication of oil-lubricated rolling bearings.
- Depending on the specific application, Optigear™ Synthetic X may be used in an operating temperature range from -35°C/-31°F to +95°C/203°F (refer to a Castrol technician for more information, if necessary).
- Optigear™ Synthetic X is a CLP-HC gear oil (according to DIN 51502) and exceeds the minimum requirements according to DIN 51517 (2003), part 3, CLP gear oils, tested on the ISO viscosity class 320.
Specifications / Approvals
- DIN 51517-3 (CLP)
- DIN 51502 (CLP-HC)
Advantages
- High load carrying capacity.
- Superior micro pitting protection.
- Excellent friction reduction.
- Good filtration properties.
- Excellent bearing lubrication suitability.
Technical specifications
- Base oil: Polyalphaolefine (PAO)
- ISO Viscosity Grade: 320
- Density @ 15°C / 59°F: 852 kg/³
- Kinematic Viscosity @ 40°C / 104°F: 325 mm²/s
- Kinematic Viscosity @ 100°C / 212°F: 40.8 mm²/s
- Viscosity Index: 179
- Flash Point – open cup method: >250°C
- Pour Point: -45°C
- Volume: 20l canister
- Also available in: 208l barrel
- GLISS number: 15EE2A
- MSDS code: 460264
BP Europa SE, Erkelenzer Straße 20, 41179 Mönchengladbach, GERMANY, +49 800 7235 074, [email protected], www.bp.com






Tristan –
Clear recommendation. Great value for money. Arrived on time.
Jannis –
Impeccable quality. Durable product. Satisfied with the quality.
arthur_75 –
Product as described. Just as it should be.
jackson88 –
Top quality, fast delivery. Exactly what I was looking for. Simply excellent. Great service, thank you.
simona_roma –
Pleasant to use at home. Packaging slightly damaged, but the product is excellent.
Arthur B. –
Highly recommended. Top product, would definitely recommend. Very easy to use.
Maxime Z. –
Impeccable quality. Everything perfect, would buy again. Arrived on time. Great purchase.
Brooklyn –
Better than anything I’ve tried before. Surprisingly good quality for the price.