Description
FUCHS RENOLIN ZAF 68 is a premium ISO VG 68 zinc-free and ash-free anti-wear hydraulic oil designed for industrial hydraulic systems, machine tools, injection moulding machines, manufacturing equipment, hydraulic presses, metalworking machinery, construction equipment, and circulating lubrication systems. This high-performance HLP hydraulic fluid provides excellent wear protection, oxidation stability, corrosion resistance, water separation, and long service life while preventing zinc contamination in sensitive manufacturing applications. The zinc-free formulation is particularly recommended where hydraulic oil may come into contact with metalworking fluids or where ashless hydraulic oils are specified.
RENOLIN ZAF 68 is formulated with high-quality mineral base oils and advanced zinc-free, ash-free anti-wear additives to deliver outstanding protection for hydraulic pumps, valves, bearings, and precision components. The formulation provides excellent ageing resistance, rapid air release, reliable demulsibility, and outstanding seal compatibility, ensuring dependable hydraulic system performance in demanding industrial environments.
Performance Standards / Specifications
Product Type
- Premium Zinc-Free Hydraulic Oil
- Ash-Free Anti-Wear Hydraulic Fluid
- ISO VG 68
- Mineral Oil-Based Hydraulic Lubricant
- Demulsifying Hydraulic Oil
Specifications
- DIN 51524-2: HLP
- ISO 11158: HM
- ISO 6743-4: HM
Suitable for industrial hydraulic systems, machine tools, and applications requiring zinc-free hydraulic oils.
Typical Properties
| Property | Method | Typical Value |
|---|---|---|
| ISO Viscosity Grade | ISO 3448 | 68 |
| Appearance | Visual | Clear Amber Liquid |
| Base Oil Type | — | Premium Mineral Oil |
| Density @ 15°C | ASTM D4052 | Approx. 0.88 kg/L |
| Kinematic Viscosity @ 40°C | ASTM D445 | 68 mm²/s |
| Kinematic Viscosity @ 100°C | ASTM D445 | 8.8 mm²/s |
| Viscosity Index | ASTM D2270 | 100 |
| Flash Point (COC) | ASTM D92 | 242°C |
| Pour Point | ASTM D97 | -21°C |
| Zinc Content | — | Zinc-Free |
| Ash Content | — | Ash-Free |
| Water Separation | ASTM D1401 | Excellent |
| Corrosion Protection | ASTM D665 | Pass |
Typical values are representative characteristics and may vary slightly depending on production batch.
Key Benefits
- Zinc-free and ash-free formulation
- Excellent anti-wear protection for hydraulic pumps and valves
- Outstanding oxidation and ageing resistance
- Excellent corrosion and rust protection
- Excellent water separation (demulsibility)
- Rapid air release for improved hydraulic efficiency
- Excellent seal compatibility
- Suitable where hydraulic fluid may contaminate metalworking fluids
- Long oil service life and reduced maintenance costs
- Reliable protection under high-load operating conditions
Applications
- Industrial hydraulic systems
- CNC machine tools
- Metalworking machinery
- Hydraulic presses
- Plastic injection moulding machines
- Manufacturing equipment
- Hydraulic power units
- Circulating lubrication systems
- Construction equipment
- General industrial machinery requiring ISO VG 68 HLP hydraulic oil
Storage Information
Store in the original sealed container in a clean, dry area away from direct sunlight, heat, and moisture. Prevent contamination with water, dirt, or other lubricants. Keep containers tightly closed when not in use.
Health & Safety
Avoid prolonged skin contact. Wear suitable protective gloves during handling. Wash hands thoroughly after use. Refer to the latest Safety Data Sheet (SDS) before handling, storage, or disposal.