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MOLYKOTE® 111 Compound
Molykote® 111 Compound is a heavy-consistency, silicone‑oil-based NLGI Grade 3–4 lubricant and sealant ideal for valves, O‑rings, and gaskets in demanding temperature and water‑contact applications.
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- Manufacturer: DuPont
- Product Line: MOLYKOTE® Compounds
- Product: MOLYKOTE® Compounds
- Industries: Maintenance, Repair, Overhaul | Metal Processing & Fabrication
- Authorized Countries: Austria | Canada | France | Germany | Spain | Switzerland | United Kingdom | United States
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Overview
Molykote® 111 Compound is a heavy-consistency silicone compound formulated to deliver long-term sealing and lubrication under extreme pressure and temperature fluctuations. It is highly effective in preventing water ingress and resisting degradation in both hot and cold water, as well as many chemical environments. Its compatibility with a variety of elastomers and plastics makes it a go-to solution in industrial, municipal, and food-grade processing systems.
Specifications
Product type: Compound lubricant
Chemistry: Silicone
NLGI Grade: 3–4
Thickener: Silica
High temp: 204°C
Low temp: −40°C
Color: Translucent white
Hazmat: No
Features & Benefits
- Chemical resistance & water washout protection: Excellent seal integrity in harsh conditions
- Wide thermal range: Performs reliably from −40 °C to +204 °C
- Low volatility & vapor pressure: Minimizes migration and loss
- Silicone-based, translucent white: Compatible with many rubbers and plastics
- Meets potable-water–grade standards: Supports NSF 51/61 and FDA compliance
- Prevents part sticking or tearing: Ideal as assembly or maintenance lubricant
- Non-curing sealant: Great for static applications with ongoing moisture/exposure
Problems Solved
Poor electrical stability from conventional lubricants Insufficient anti-stick performance or seizure Inadequate electrical resistance Leaks, poor sealant, or failures in valve lubricant Prevents valve leakage and seal failures in vacuum/pressure systems Reduces sticking, galling, and scoring by providing stable lubrication under extremes Resistant to wash-out, weathering, oxidation, and chemical attack
Applications
Control, pressure, water-softener, and faucet valves O‑rings and gaskets in food & beverage, municipal water, and chemical-processing equipment Sealing interfaces in vacuum, pressure systems, and outdoor/shipboard applications Damping dashpots in electronics and electrical insulated components Rubber/plastic seal lubrication during assembly which prevents tearing
Related Applications
Maintenance, Repair, Overhaul
Related Chemistries
Maintenance, Repair, Overhaul
Related End Markets
Maintenance, Repair, Overhaul
- Chemical & Petrochemical
- Facility Infrastructure
- Food & Beverage
- Healthcare and Household
- Heavy Industry
- Oil & Gas
- Pulp & Paper
- Water Treatment
Related Functions
Maintenance, Repair, Overhaul
MOLYKOTE® Compounds Articles
DuPont - MOLYKOTE® for Oil & Gas
The Oil & Gas Industry truly powers all other industries. Therefore, it is critical that these facilities are kept operating at peak performance and protected with reliable and robust lubrication. Learn how the MOLYKOTE® Portfolio brings protection & long-term reliability here!
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