Knowde Enhanced TDS
Identification & Functionality
- Base Oil Type
- Chemical Family
- Heat Transfer Fluid Type
- Product Type
- CAS No.
- 63148‐62‐9
- Technologies
- Product Families
Features & Benefits
- Labeling Claims
- Ready-to-Use Product Features
- Product Highlights
PSF‐100cSt Silicone Heat Transfer Fluid is characterized by its low pour points, high flash point, wide service temperature range, low viscosity change at temperature (low V.T.C.), low surface tension, long service life, high dielectric strength and hydrophobic nature (insoluble in water).
PSF‐100cSt Heat Transfer Fluid has a low viscosity‐temperature coefficient or V.T.C. (viscosity at 99°C ÷ viscosity at 38°C). Thus, it will not exhibit a wide viscosity increase at the lower temperatures. For example, at -20°C, its viscosity increases to 300cSt while at 150C, it lowers to 15cSt. This is critical for baths that have pumping systems that cannot operate with higher viscosity fluids.
- Features
- 100% PDMS silicone fluid.
- Wide service temperature range.
- Hydrophobic: Insoluble with water.
- Compatible with virtually all o‐rings, gaskets, hoses, valves and seals.
- Flash Point: 315°C
Applications & Uses
- Markets
- Applications
Heat transfer systems, open system baths, closed system baths, constant temperature baths, circulating baths, low temperature refrigerated baths, closed loop baths, heat transfer baths.
Properties
- Physical Form
- Appearance
- Clear, colorless, odorless fluid
- Typical Properties
- Thermal Properties
- Electrical Properties
| Value | Units | Test Method / Conditions | |
| Non‐Flammable | Yes | — | — |
| Specific Gravity | 0.966 | — | — |
| Refractive Index | 1.4025 | — | — |
| Pour Point | -55.0 | ºC | — |
| Flash Point (Closed Cup) | 315.0 | ºC | — |
| Surface Tension | 20.9 | dynes /cm | — |
| Viscosity‐Temp Coefficient | 0.6 | — | — |
| Viscosity (150°C) | 17.0 | cSt | — |
| Viscosity (100°C) | 30.0 | cSt | — |
| Viscosity (25°C) | 100.0 | cSt | — |
| Viscosity (0°C) | 160.0 | cSt | — |
| Viscosity (‐20°C) | 300.0 | cSt | — |
| Gel Time (149ºC) | approx. 1 | year | — |
| Gel Time (204ºC) | 250 - 300 | hours | — |
| Gel Time (250ºC) | 40 - 60 | hours | — |
| Gel Time (260ºC) | 20 - 25 | hours | — |
| Gel Time (300ºC) | max. 24 | hours | — |
| Value | Units | Test Method / Conditions | |
| Thermal Conductivity (25°C) | 0.00037 | g cal/cm.sec.°C | — |
| Coefficient of Thermal Expansion | 0.00096 | cc/cc °C | — |
| Specific Heat (25°C) | 1.5 | J/g °C | — |
| Value | Units | Test Method / Conditions | |
| Dielectric Strength | 400.0 | volts/mil | — |
| Dielectric Constant (50Hz, 25°C) | 2.75 | — | — |
| Volume Resistivity (25°C) | 1.0 x 10¹⁵ | ohm‐cm | — |
| Volume Resistivity (150°C) | 5.0 x 10¹³ | ohm‐cm | — |
| Dielectric breakdown strength (2.5mm) | min. 50 | kV | — |
| Dissipation Factor (100Hz, 25°C) | 0.0002 | — | — |
| Dissipation Factor (100Hz,150°C) | 0.00016 | — | — |
Packaging & Availability
- Packaging
1‐gallon (3.78 liters) 3.6kg net wt. 5‐gallon pail (18.9 liters) 18kg net wt. 55‐gallon drum (208 liters) 200kg net wt.