Silicone Oil

Premier Repak Inc. PRSF 350-1,000 CST is a polydimethylsiloxane polymer manufactured to yield essentially linear polymers in a wide range of average kinematic viscosities.
The viscosities generally used in formulating polishes are between 100 and 30,000 CST. To obtain optimum results, in terms of ease of application and depth of gloss, it is preferable to use a blend of a low-viscosity fluid and a high-viscosity fluid (e.g. 3 parts PremierRepak Inc. PRSF 100 CST and 1 part PremierRepak Inc. PRSF 12,500 CST). The low-viscosity silicone fluid acts as a lubricant to make polish application and rubout easier, whereas the high-viscosity silicone fluid produces a greater depth of gloss. Since these polymers are inherently water-repellent, they will cause water to bead up on a treated surface rather than penetrate the polish film.

Feature Benefits

  • Ease of application and rubout
  • Ease of buffing
    • Enhances color High water repellency High compressibility
  • High shear ability without breakdown. High spread ability and compatibility Low environmental hazard
  • Low fire hazard
  • Low surface energy. Low reactivity and vapor pressure
  • Good heat stability Essentially odorless, tasteless and nontoxic
  • Soluble in a wide range of solvents

For personal care applications:

  1. Skin protection
  2. Imparts soft, velvety skin feel
  3. Spreads easily on both skin and hair
  4. De-soaping (prevents foaming during rubout)

For industrial applications:

  1. High dielectric strength
  2. High damping action
  3. Spreads easily on both skin and hair
  4. Oxidation-, chemical- and weather-resistant

Application

Premier Repak Inc. PRSF 350-1,000 CST is highly soluble in organic solvents such as aliphatic and aromatic hydrocarbons, and the halocarbon propellants used in aerosols. The fluid is easily emulsified in water with standard emulsifiers and normal emulsification techniques.
PremierRepak Inc. PRSF 350-1,000 CST is insoluble in water and many organic products. Additive quantities as small as 0.1% may suffice where Premier Repak Inc. PRSF 50-1,000 CST is to be used as a surface agent or for de-soaping creams and lotions. However, 1-10% is needed for applications such as hand creams and lotions to form a more uniform film and effective barrier.

Key Properties/Variants

Test
350 CST
500 CST
1000 CST
Appearance
Crystal Clear
Crystal Clear
Crystal Clear
Specific Gravity at 25°C (77°F)
0.969
0.97
0.97
Refractive Index at 25°C (77°F)
1.4034
1.4035
1.4035
Color, APHA
5
5
5
Flash Point, Open Cup [°C (°F)]
>326 (>620)
>326 (>620)
>326 (>620)
Acid Number, BCP
trace
trace
trace
Melt Point [°C (°F)1,2]
-26 (-15)
-25 (-13)
-25 (-13)
Pour Point [°C (°F)]
-50 (-58)
-50 (-58)
-50 (-58)
Surface Tension at 25°C (77°F) [dynes/cm]
21.1
21.2
21.2
Volatile Content at 150°C (302°F) [%]
0.15
0.11
0.11
Viscosity Temperature Coefficient
0.6
0.61
0.61
Coefficient of Expansion [cc/cc/°C]
0.00096
0.00096
0.00096
Thermal Conductivity at 50°C (122°F) [g cal/cm⋅sec⋅°C]
-
0.00038
0.00038
Solubility Parameter3
7.4
7.4
7.4
Dielectric Strength at 25°C (77°F) [volts/mil]
400
400
400
Volume Resistivity at 25°C (77°F) [ohm-cm]
1.0*1015
1.0*1015
1.0*1015
Test
350 CST
Appearance
Crystal Clear
Specific Gravity at 25°C (77°F)
0.969
Refractive Index at 25°C (77°F)
1.4034
Color, APHA
5
Flash Point, Open Cup [°C (°F)]
>326 (>620)
Acid Number, BCP
trace
Melt Point [°C (°F)1,2]
-26 (-15)
Pour Point [°C (°F)]
-50 (-58)
Surface Tension at 25°C (77°F) [dynes/cm]
21.1
Volatile Content at 150°C (302°F) [%]
0.15
Viscosity Temperature Coefficient
0.6
Coefficient of Expansion [cc/cc/°C]
0.00096
Thermal Conductivity at 50°C (122°F) [g cal/cm⋅sec⋅°C]
-
Solubility Parameter3
7.4
Dielectric Strength at 25°C (77°F) [volts/mil]
400
Volume Resistivity at 25°C (77°F) [ohm-cm]
1.0*1015
Test
500 CST
Appearance
Crystal Clear
Specific Gravity at 25°C (77°F)
0.97
Refractive Index at 25°C (77°F)
1.4035
Color, APHA
5
Flash Point, Open Cup [°C (°F)]
>326 (>620)
Acid Number, BCP
trace
Melt Point [°C (°F)1,2]
-25 (-13)
Pour Point [°C (°F)]
-50 (-58)
Surface Tension at 25°C (77°F) [dynes/cm]
21.2
Volatile Content at 150°C (302°F) [%]
0.11
Viscosity Temperature Coefficient
0.61
Coefficient of Expansion [cc/cc/°C]
0.00096
Thermal Conductivity at 50°C (122°F) [g cal/cm⋅sec⋅°C]
0.00038
Solubility Parameter3
7.4
Dielectric Strength at 25°C (77°F) [volts/mil]
400
Volume Resistivity at 25°C (77°F) [ohm-cm]
1.0*1015
Test
1000 CST
Appearance
Crystal Clear
Specific Gravity at 25°C (77°F)
0.97
Refractive Index at 25°C (77°F)
1.4035
Color, APHA
5
Flash Point, Open Cup [°C (°F)]
>326 (>620)
Acid Number, BCP
trace
Melt Point [°C (°F)1,2]
-25 (-13)
Pour Point [°C (°F)]
-50 (-58)
Surface Tension at 25°C (77°F) [dynes/cm]
21.2
Volatile Content at 150°C (302°F) [%]
0.11
Viscosity Temperature Coefficient
0.61
Coefficient of Expansion [cc/cc/°C]
0.00096
Thermal Conductivity at 50°C (122°F) [g cal/cm⋅sec⋅°C]
0.00038
Solubility Parameter3
7.4
Dielectric Strength at 25°C (77°F) [volts/mil]
400
Volume Resistivity at 25°C (77°F) [ohm-cm]
1.0*1015

Solubility in Typical Solvents

Solvent
350 CST
500 CST
1000 CST
Chlorinated Solvents
High
High
High
Aromatic Solvents
High
High
High
Aliphatic Solvents
High
High
High
Dry Alcohols
Poor
Poor
Poor
Water
Poor
Poor
Poor
Fluorinated Propellants
High
High
High
Solvent
350 CST
Chlorinated Solvents
High
Aromatic Solvents
High
Aliphatic Solvents
High
Dry Alcohols
Poor
Water
Poor
Fluorinated Propellants
High
Solvent
500 CST
Chlorinated Solvents
High
Aromatic Solvents
High
Aliphatic Solvents
High
Dry Alcohols
Poor
Water
Poor
Fluorinated Propellants
High
Solvent
1000 CST
Chlorinated Solvents
High
Aromatic Solvents
High
Aliphatic Solvents
High
Dry Alcohols
Poor
Water
Poor
Fluorinated Propellants
High
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