Medium Viscosity Pure Silicone Fluids
Chemical Name: | Polydimethylsiloxane Fluid / PDMS Silicone Oil |
Product Category: | Pure Silicone Fluids – Silicone Fluids |
Structural Formula: | |
CAS No.: | CAS No. 63148-62-9 |
EINECS: | 203-492-7 |
Molecular Formula: | C₆H₁₈OSi₂ |
Molecular Weight: | 162.38 g/mol |
Medium Viscosity Pure Silicone Fluids
Medium Viscosity Pure Silicone Fluids are clear, colorless, and odorless linear Polydimethylsiloxane fluids / PDMS Silicone Oils that range in viscosities from 50cSt to 1,000cSt (centistokes) @ 25°C.
They are characterized by their low pour points, high flash points, wide service temperature range, low viscosity change at temperature (low VTC), excellent lubricity, high dielectric strength, RI Values between 1.3970 to 1.4000, and inertness to virtually all substrates.
Viscosity (cSt) | 50 | 100 | 200 | 350 | 500 | 1000 |
Specific Gravity | 0.960 | 0.966 | 0.968 | 0.970 | 0.971 | 0.971 |
Refractive Index | 1.402 | 1.4030 | 1.4031 | 1.4032 | 1.4033 | 1.4035 |
Pour Point | -55°C | -55°C | -50°C | -50°C | -50°C | -50°C |
Flash Point (open cup) | 285°C | 315°C | 315°C | 315°C | 315°C | 315°C |
V.T.C | 0.59 | 0.60 | 0.60 | 0.60 | 0.60 | 0.61 |
Thermal Expansion (cc/cc °C) | 0.00106 | 0.00096 | 0.00096 | 0.00096 | 0.00096 | 0.00096 |
Thermal Conductivity g/cal/cm/sec °C | 0.00036 | 0.00037 | 0.00037 | 0.00037 | 0.00038 | 0.00038 |
Properties:
- Medium Viscosity PDMS Silicone Oils
- High Flash Points
- Low pour points (as low as ‐55°C)
- Wide Service Temperature Range
- Low viscosity change at temperature (low VTC)
- RI Matching Fluids for RI Values between 1.402 to 1.4035
- High Dielectric Strength
- High Damping Action
- Stable under high rates of pressure
- Stable under high rates of shear
- Newtonian behavior under shear
- Excellent Lubricity
Applications Include:
- Laboratory Bath Fluids
- Heat Transfer Fluids
- Dielectric Fluids
- Damping Fluids
- ORC Turbo Generator Fluids
- Hydraulic Fluids
- High Pressure Fluid
- Flow Control Fluid
- Refractive Index Matching Fluids
- RI Matching Fluids for LED and Optics
- Low Dielectric Constant Fluids for Photonics
- VOC Exempt Fluids for Renewable Energies
- Silicone Lubricants for Plastic Parts
- Silicone Lubricants for Rubber Parts
- Calibration Fluid
- Fluid for Touch Screen Technology
Packaging Specifications
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Medium Viscosity Pure Silicone Fluids : Guide
Medium Viscosity Silicone Fluids are widely used in Flow Control, Temperature Control and Motion Control technologies. They are especially advantageous for instruments, gauges and devices that are subject to extreme temperatures and high pressures.
For laboratory bath fluids / heat transfer fluids applications, the PSF‐50cSt and PSF‐100cSt are excellent choices due to their wide service temperature range, low viscosity change at temperature and high dielectric strength.
The refractive index values of Medium Viscosity Pure Silicone Fluids make them widely used in Optics research, LED technologies & Sensor technologies.
Pure Silicone Fluids possess excellent lubricity and are used to lubricate a wide range of rubber & plastic parts including: O‐rings, gaskets, rubber seals, grommets, rubber hoses, rubber cables…