MOLYKOTE 112
Harmonization Code : 3403.19 | Lubricating Preparations (With 70% or More Petroleum Oils) For Automotive and Other Uses
Main features
- Up to 232 deg C Service
- Oil, Acid, and Alkali Resistance
- Low-Volatility Joint Sealing
Product Description
MOLYKOTE® 112 High Consistency Valve Sealant is a stiff, nonmelting silicone grease used primarily as a robust valve lubricant and sealant. Formulated with polydimethyl silicone fluids and an inert amorphous silica filler, it is designed for demanding environments that require a high degree of mechanical stability. It maintains its consistency without carbonizing, melting, or hardening during prolonged exposure to elevated temperatures up to 232°C (450°F).
Key features
- Extreme temperature stability: Serviceable from -40°C to 232°C (-40°F to 450°F) without melting, hardening, or carbonizing.
- Harsh environment resistance: Highly resistant to water, most aqueous solutions of inorganic salts, dilute acids, alkalis, and many organic compounds.
- Low volatility: Features very low vapor pressure, making it an excellent sealer for high vacuum or pressure systems.
Applications / Suitable for
- Lubricating valves, O-rings, and plug-valves in chemical processing
- Sealing synthetic rubber or plastic parts in vacuum and pressure systems
- Lubricating mechanical devices like flow meters, fire extinguisher valves, and optical equipment
TDS, SDS & Technical Documents
Technical Specifications
No specifications available.
Additional Information
As-supplied / before-processing properties
Typical properties; these values are not intended for use in preparing specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Chemical Composition | Polydimethyl silicone fluids and silica filler | - | Silicone grease |
| Appearance | White-translucent / off-white | - | Grease / Paste (CTM 0176) |
| Unworked Penetration | 215 | - | - |
| Worked Penetration | 230 | - | 60 strokes, maximum |
| Worked Penetration | 240 | - | 100,000 strokes |
| Specific Gravity | 1.1 | - | at 25°C (77°F) (CTM 0022) |
| Melting Point | None | - | - |
| Flash Point | > 101 | °C | Closed cup (> 214 °F) |
| Shelf Life | 60 | months | From date of manufacture |
After-processing / in-service properties
Typical properties; these values are not intended for use in preparing specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Service Temperature Range | -40 to 232 | °C | (-40 to 450 °F) |
| Bleed | 0.03 | % | 24 hours at 200°C (392°F) (CTM 0033A) |
| Evaporation | 0.8 | % | 24 hours at 200°C (392°F) (CTM 0033A) |
| Water Spray-Off | 3.0 | % | ASTM D4049 |
| Dielectric Constant | 2.93 | - | at 100 Hz (CTM 0112) |
| Dielectric Constant | 2.92 | - | at 100 kHz (CTM 0112) |
| Dissipation Factor | < 0.0001 | - | at 100 Hz (CTM 0112) |
| Dissipation Factor | < 0.004 | - | at 100 kHz (CTM 0112) |
| Dielectric Strength | 490 | volts/mil | 50 mil gap (CTM 0114) |
| Volume Resistivity | 2.9x10^15 | ohm-cm | at 23°C (73°F) |
| Arc Resistance | 122 | seconds | CTM 0171 |
