Industries

MOLYKOTE® 111 Compound – Lubricant/Sealant – Transportation & Industrial

  • -Item Name: MOLYKOTE® 111 Compound
  • -Manufacturer: DuPont
  • -Technologies: Silicone-based compound (silicone oil and inorganic thickener)
  • -Color: White to light gray; translucent
  • -Cure Type: Contact to Avantek for details.
  • -Package Size: Contact to Avantek for details.
  • -Shelf Life: 60 months

1. Product Overview

MOLYKOTE® 111 Compound is a silicone-based grease and sealant designed for lubrication, sealing, and protection in various industrial applications.

Key Features:

  • Wide service temperature range: -40°C to 200°C
  • Excellent water resistance
  • Compatible with many plastics and elastomers
  • Low vapor pressure and volatility
  • Meets global standards for water contact (NSF 51, NSF 61, FDA 21 CFR 175.300, etc.)
  • Free of PTFE and PFAS

Composition:

  • Silicone oil
  • Inorganic thickener

2. Applications

  • Lubrication for control and pressure plug valves, water softener, and faucet valves
  • Sealant for vacuum and pressure systems, meters, electrical service, and underground connections
  • Anti-stick and sealant for transformer gaskets and enclosures
  • Damping medium for electrical and electronic equipment
  • Suitable for rubber and plastic O-rings, gaskets, and seals

3. Typical Properties

Property Test Standard Unit Result
Color White to light gray; translucent
Penetration, unworked ASTM D217 mm/10 170 – 230
Penetration, worked 60 strokes ASTM D217, ISO 2137 mm/10 260 max
Bleed (30 hrs at 204°C) AMS8660 % 0.2
Evaporation (30 hrs at 204°C) AMS8660 % 0.8
Volume change (rubber SRE-NBR-28/PX) ASTM D471, AMS8660 % -0.4
Durometer hardness change (80 Shore A) ASTM D2240 0
Flammability AMS8660 Pass/Fail Pass
Corrosive effects on metals AMS8660 No evidence
Low temp torque (-54°C) ASTM D1478 gm-cm 9100 (starting), 2015 (running)
Waterproof seal (25°C, 24 hrs) AMS8660 Pass/Fail Pass
Dielectric strength (50 mil) ASTM D149 volts/mil 320
Volume resistivity @ 23°C, 500VDC ASTM D257 ohm-cm 1.09 × 10¹⁴
Thermal conductivity @ 30°C ASTM D5470 W/mK 0.248

4. Usage & Application

Application Methods:

  • Apply by hand, brush, wiping, or automated dispensing equipment
  • Can be thinned with xylene, mineral spirits, or methyl ethyl ketone for spray application

Important Notes:

  • Should not be used on surfaces to be painted (silicone may prevent adhesion)
  • Not compatible with liquid oxygen (LOX) applications

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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