MOLYKOTE L-1668FM
Harmonization Code : 3909.20.00.90 | Amino-resins, phenolic resins and polyurethanes, in primary forms : Melamine resins : Other

Main features
- ISO Vg 68 Mineral-Oil
- Low Vapor Pressure
- Carries NSF H1 Certification
Product Description
MOLYKOTE® L-1668FM Synthetic Blend Vacuum Pump Oil is an ISO VG 68 lubricant formulated specifically for oil-lubricated rotary vane vacuum pumps. Its synthetic-blend base combines mineral oil and polyalphaolefin technology with rust-, oxidation-, and corrosion-inhibiting additives. The amber oil is designed to maintain suitable viscosity and lubricating-film thickness at normal operating temperatures while supporting demanding service involving moisture, water, chemicals, or corrosive environments. It is NSF H1 certified for incidental food-contact applications and is used in industries including food packaging, medical sterilization, chemical manufacturing, and battery production.
Key features
- Rotary-vane pump formulation: Developed specifically for oil-lubricated rotary vane vacuum pumps.
- MO/PAO synthetic blend: Combines mineral oil and polyalphaolefin base-oil technologies.
- Protective additive system: Contains rust-, oxidation-, and corrosion-inhibiting additives.
- Harsh-environment performance: Designed for corrosive and high-moisture operating conditions.
- Low vapor pressure: Supports vacuum-pump operation where lubricant volatility is important.
- Food-processing suitability: NSF H1 certified for incidental food-contact applications.
Applications / Suitable for
- Oil-lubricated rotary vane vacuum pumps
- Food-packaging vacuum systems
- Medical-sterilization equipment
- Chemical-manufacturing vacuum pumps
- Battery-production vacuum equipment
- Demanding service involving moisture, water, chemicals, or corrosive conditions
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Additional Information
After-application / in-service properties
Supplier-documented performance characteristics relevant to operation in oil-lubricated rotary vane vacuum pumps.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Vapor-pressure characteristic | Low | — | Supplier-listed vacuum-pump performance benefit |
| Corrosion protection | Good | — | Including demanding or corrosive operating environments |
| Oxidation resistance | Good | — | Supplier-listed qualitative performance benefit |
| Water resistance | Good | — | Tolerant of high-moisture and water environments |
| Chemical resistance | Good | — | Supplier-listed qualitative performance benefit |
| Lubricating-film function | Viscosity and film-thickness protection | — | At normal vacuum-pump operating temperature |





















