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Silicone greases start with a base oil of silicone fluid, to which are added various additives and fillers (metal soap, etc.). Silicone greases exhibit thermal oxidation stability over a wide temperature range, offer good moisture-resistance, and are used primarily for lubrication.
Silicone oil compounds are products with a grease-like consistency. They are produced by blending materials such as silica powder into a base oil of silicone fluid. They exhibit thermal oxidation stability over a wide temperature range and have outstanding electrical properties and water repellency. Silicone oil compounds are used primarily in electrical insulators and seals, and for heat dissipation and water repellency.
Features
Heat and cold resistance
Because the silicone fluid base oil has good resistance to heat and cold, the drop point is high, there is little oil separation, and volatile content is low.
Moisture resistance
These products have good resistance to water and moisture. Silicone greases can be left underwater for long periods; the surface will turn white, but there is almost no internal change.
Safety
The silicone fluid base oil is chemically inactive, so these products pose almost no risk to humans and animals.
Efficiency
Excellent performance even when used in small amounts.
Typical Products
| Category | Applications | Grade | Features |
|---|---|---|---|
| Greases | Low-temperature lubrication | G-30 Series | Suitable for lubrication in extremely low temperature applications, in which petroleum greases cannot be used |
| High-temperature lubrication | G-40 Series | Suitable for lubrication of sealed bearings, Performance complies with MIL-L-15719A. | |
| G-420 | Good lubrication particularly at high temperatures | ||
| Solvent-resistant lubricant | FG-720 Series | Especially good boundary lubrication and solvent resistance | |
| Plastic lubrication | G-501 | Does not cause stress cracking in plastic, Good lubrication for steel on steel | |
| Adhesive applications (torque, damper) | G-330 Series | General purpose | |
| G-340 Series | For low temperature applications, Little change in torque values in temperatures ranging from -30°C to +60°C | ||
| G-630 Series | For bearings, Good feel, Base oil is non-silicone | ||
| Oil compounds | Electrical insulation, seals | KS-62F | Heat-resistant, Paste consistency |
| KS-62M | Heat-resistant | ||
| KS-63W | General purpose | ||
| KS-64F | General purpose, Paste | ||
| KS-64 | Performance meets MIL-S-8660B specifications. General purpose | ||
| Insulator protection in salty air, electrical insulation | KS-63G | Complies with JRS standards | |
| Heat dissipation | KS-609 | Thermal conductivity: 0.73W/m·K, General purpose | |
| KS-613 | Thermal conductivity: 0.76 W/m·K, Suitable for thermister potting | ||
| G-747 | Thermal conductivity: 0.90W/m·K | ||
| G-775 | Thermal conductivity: 3.6 W/m·K, Highly resistant to "pump-out" | ||
| G-776 | Thermal conductivity: 1.3 W/m·K*, Low viscosity, and yet low oil bleed, Solvent-diluted type | ||
| G-777 | Thermal conductivity: 3.3 W/m·K, All-purpose type | ||
| G-765 | Thermal conductivity: 2.9W/m·K, Main application: IGBT | ||
| G-750 | Thermal conductivity: 3.5W/m·K, Main application: IGBT | ||
| G-751 | Thermal conductivity: 4.5W/m·K, Main application: CPU | ||
| X-23-7762 | Thermal conductivity: 4.0 W/m·K (6.0W/m·K*), Solvent-diluted type, Main application: CPU | ||
| X-23-7783D | Thermal conductivity: 3.5 W/m·K (5.5W/m·K*), Solvent-diluted type, Main application: CPU | ||
| X-23-7868-2D | Thermal conductivity: 3.6W/m·K (6.2W/m·K*), Solvent-diluted type, Main application: CPU | ||
| X-23-7921-5 | Thermal conductivity: 6.0W/m·K, Main application: CPU | ||
| Electrical conduction | KS-660 | Suitable for untistatic sealing | |
| KS-660B | High lubricity version of KS-660 | ||
| High vacuum seals | HIVAC-G | Good thermo-oxidative stability and chemical stability, Can be used for high vacuums of 10-6 Torr | |
| Rustproof seals | KS-622 | Good rustproofing effect on copper | |
| Valve seals | KS-65A | Suitable for sealing and lubrication of valves, stopcocks, and packing of common chemical equipment | |
| KS-623 | |||
| Silicone rubbers | KS-650N | Does not cause swelling of silicone rubber, Good electrical insulation | |
| KS-651 | Does not cause swelling of silicone rubber, Good electrical properties and temperature characteristics | ||
| Optical applications | OPTSEAL | Good light transmissivity, Refractive index (25°C) 1.4690, Non-flowable | |
| OPTSEAL-L | Good light transmissivity, Refractive index (25°C) 1.4690, Slightly flowable |