MOLYKOTE 6169 PFPE PTFE Fluorinated Grease

Product Overview

MOLYKOTE 6169 is a specialized white fluorinated grease formulated with perfluoropolyether (PFPE) base oil and a fluorinated polymer thickener, including polytetrafluoroethylene (PTFE). It is designed for demanding applications where chemical resistance, low volatility and reliable lubrication are essential.

This PFPE PTFE grease is suitable for selected valves, O-rings, packings, pneumatic control components and vacuum equipment exposed to aggressive media or challenging operating conditions. Its low base oil vapor pressure makes it a candidate for applications requiring reduced lubricant volatility, while its chemical stability supports use in compatible systems exposed to many acids, bases and solvents.

MOLYKOTE 6169 is also designed for long-lasting lubrication with a low tendency toward oxidation. It can be considered for selected precision machinery and electronic manufacturing equipment when the lubricant meets the equipment manufacturer's specifications.

Key Features and Benefits

• PFPE-Based Formulation: Uses perfluoropolyether base oil for demanding industrial lubrication applications.

• Chemical Resistance: Offers resistance to many aggressive chemicals, solvents, strong acids and strong bases, subject to media-specific compatibility.

• Low Vapor Pressure: The supplied specification reports a base oil vapor pressure of 4 × 10⁻¹⁰ Pa at 20°C, supporting consideration for selected high-vacuum applications.

• Wide Temperature Capability: Reported operating temperature ranges vary by documentation; confirm the applicable limits in the current manufacturer technical data sheet.

• Oxidation Resistance: Designed to provide stable lubrication with a low tendency toward oxidation.

• Long-Lasting Lubrication: Suitable for selected components requiring durable lubrication and reduced maintenance.

• Material Compatibility: Compatible with many plastics, rubbers and elastomers, but individual material grades and service conditions should be verified before use.

• Valve and Seal Protection: Suitable for compatible valve shafts, O-rings, packings and pneumatic control components.

Technical Specifications

• Product Name: MOLYKOTE 6169

• Product Type: Fluorinated Specialty Grease

• Base Oil: Perfluoropolyether (PFPE)

• Thickener: Fluorinated Polymer / PTFE

• Color:White

• Reported Operating Temperature: -60°C to +250°C; some documentation specifies -20°C to +250°C

• Density: Approximately 2.0 g/cm³

• Worked Penetration: 230 × 0.1 mm

• Dropping Point:195°C

• Four-Ball Weld Load: 3630 N

• Base Oil Vapor Pressure: 4 × 10⁻¹⁰ Pa at 20°C

• Primary Functions: Lubrication, friction reduction, chemical resistance and low-volatility performance

Specification note: Confirm all values, particularly the operating temperature range, penetration, dropping point and vapor pressure, against the current manufacturer TDS for the exact product designation.

Typical Applications

Valves and Sealing Components

Suitable for selected valve shaft seals, O-rings, packings and other sealing components exposed to compatible chemicals, solvents and demanding operating conditions.

Pneumatic Control Valves

Can be considered for compatible pneumatic valve mechanisms that require durable lubrication across changing temperatures and resistance to the system's working media.

High-Vacuum Equipment

The reported low base oil vapor pressure makes this grease a candidate for selected vacuum valves, vacuum pumps and other systems requiring low lubricant volatility. Verify the complete system's outgassing, contamination and vacuum requirements before use.

Chemical Processing Equipment

Suitable for selected lubrication points exposed to compatible aggressive chemicals and solvents, subject to specific media compatibility and equipment approval.

Electronics and Precision Machinery

May be considered for designated lubrication points in precision industrial equipment and SMT placement machinery where the equipment manufacturer approves the lubricant. Confirm the exact machine model and lubrication specification before application.

Handling, Safety and Storage

Thermal Decomposition

PFPE-based lubricants can decompose under excessive heat or unsuitable conditions. Follow the current safety data sheet and avoid exceeding the manufacturer's specified service limits. Provide adequate ventilation where required, particularly during high-temperature operation or maintenance.

Personal Protection

Wear suitable chemical-resistant gloves and safety goggles when handling the grease. If contact occurs, follow the product SDS instructions; rinse affected skin or eyes thoroughly with water and obtain medical assistance when necessary.

Storage

Store the product in its original, tightly closed container in a cool, dark location and follow the manufacturer's recommended storage conditions.

Shelf Life

The supplied information indicates a typical unopened shelf life of 36 months. Confirm the actual shelf life and expiration date on the manufacturer's packaging or technical documentation.

Disposal

Dispose of unused product and contaminated materials in accordance with applicable local regulations. Do not discharge grease into drains or natural water bodies.

Why Choose MOLYKOTE 6169?

MOLYKOTE 6169 combines PFPE base oil and a fluorinated polymer thickener in a specialty grease designed for demanding valve, seal and vacuum lubrication applications. Its reported low vapor pressure, oxidation resistance and resistance to many aggressive media make it worth considering for compatible systems where conventional lubricants may not meet the required specifications.

Before selecting MOLYKOTE 6169, confirm the operating temperature, working medium, pressure, vacuum level, component materials and equipment manufacturer's lubrication requirements.

Important: Refer to the latest manufacturer technical data sheet (TDS) and safety data sheet (SDS) for verified specifications, application restrictions and handling requirements.