HomeProducts Silicone Grease Thermal Conductivity Grease Molykote HP-111 - Lubricating Grease - for Chemical Resistance
Molykote HP-111 - Lubricating Grease - for Chemical Resistance

Molykote HP-111 - Lubricating Grease - for Chemical Resistance

MOLYKOTE DC111 delivering excellent lubrication, thermal stability, and adhesion. Enhanced with performance additives, it maintains reliable form and protection under varied operating conditions.
PRODUCTS DESCRIPTION

DC111 is a high-performance silicone grease specifically formulated for O-rings, valve seals, and other rubber or plastic components. It delivers excellent lubrication to reduce friction and wear, resists chemical attack, and provides stable electrical insulation. Its temperature and moisture resistance ensure reliable performance in industrial, automotive, and mechanical applications, extending component life and preventing leakage.

products parameters

Composition:Silicone Oil & Inorganic Thickener
Appearance:Grey Smooth Grease
Dielectric Strength:>450 V/mil
Flashing Point:>101.1 °C
Temperature Resistance:-57°C To 204°C
Packaging:150g, 400g, 1kg

key features

  • Wide Temperature Range - DC111 maintains stable performance between -57°C and 204°C, maintaining lubrication effectiveness in extreme environments. Thermal stability tests show that after 500 hours of continuous operation at 200°C, its lubrication performance remains at over 90%.


  • Water Resistance - DC111 demonstrates excellent water resistance. In a water immersion test, the sample's weight change was less than 1% over 24 hours, and the lubricating layer was not washed away. It maintains excellent protective properties in humid, submerged, or high-humidity environments, effectively preventing lubrication failure or seal degradation caused by moisture.


  • Material Compatibility - DC111 is highly compatible with a variety of plastics and elastomers. Compatibility testing showed no significant swelling or cracking with EPDM, NBR, and PVC, with a volume change of less than 2%. This makes it suitable for complex devices involving the integration of multiple materials, ensuring overall system stability.


  • Low Vapor Pressure - DC111 has an extremely low vapor pressure, ensuring stable performance even in vacuum environments. Experiments have shown that after 72 hours of operation under vacuum conditions of 10⁻³Pa, its weight loss is less than 0.2%. This effectively prevents lubricant volatilization and insufficient lubrication, ensuring long-term stability in sealing and insulation applications.


  • Low Volatility - DC111 maintains extremely low volatility even at high temperatures. After a 24-hour volatilization test at 200°C, the sample's mass loss was less than 0.5%. Even during prolonged high-temperature operation, the grease does not consume significantly, ensuring long-term lubrication and an economical service life.


  • Compliant with Standards - DC111 complies with multiple international water contact safety standards. Testing data shows that it is NSF 51 and WRAS certified, making it safe for use in components that come into contact with drinking water. This compliance ensures its safety and reliability for use in food, beverage, and drinking water equipment.

application
  • Electronics Industry - DC111 is widely used in electronic components and electrical equipment, particularly where electrical insulation and moisture protection are required. Its dielectric strength exceeds 450V/mil, effectively preventing current leakage and short circuits. In practical applications, the use of DC111 has reduced electronic component failure rates by 20%, ensuring long-term equipment reliability.


  • Automotive Industry - In automotive manufacturing, DC111 is used to lubricate O-rings, valves, and seals. Its high and low temperature resistance ensures vehicle sealing and flexibility in extreme climates. Tests have shown that the use of DC111 extends seal life by over 30%, significantly reducing maintenance frequency and improving overall vehicle reliability.


  • Industrial Machinery - DC111 is used in industrial equipment to lubricate valves, pumps, and rubber gaskets. Its water resistance and low volatility ensure stability in humid environments. Long-term application data shows that equipment using this grease has increased operating efficiency by 15% and significantly reduced downtime due to seal failure.


  • Food & Beverage - DC111 complies with multiple international water contact standards and is suitable for use in rubber and plastic sealing components in food processing and drinking water equipment. In field validation, it has demonstrated no seal degradation or lubrication failure after six months of continuous use. This advantage ensures safety and efficiency in food and beverage production processes.

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