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LF-211 Low-Viscosity Dimethyl Silicone Fluid

Viscosity (25℃/cst): 5,10,20. 

Industrial application: low viscosity silicone oil is widely used in scenarios such as glass bottle and lens coatings, home product components, mechanical fluids, oily permeability, surface activated components, coatings, electrical insulation flow, and brighter components.

Description of LF-211 Low-Viscosity Dimethyl Silicone Fluid


The Silfluo LF-211 Series consists of low-viscosity polydimethylsiloxane (PDMS) fluids (ranging from 5 to 50 mPa.s). Characterized by their exceptionally low surface tension, high compressibility, and rapid spreading capabilities, these lightweight fluids deliver outstanding water repellency, broad thermal stability, and excellent dielectric properties.

Unlike standard or high-viscosity silicones, the LF-211 series leaves no heavy or tacky residue. This makes it a highly sought-after, non-greasy emollient and volatile carrier fluid in premium personal care formulations, as well as an exceptionally efficient penetrating lubricant, specialized damping medium, and fast-acting defoaming base in precision industrial applications.

Typical Technical Properties of LF-211 Low-Viscosity Dimethyl Silicone Fluid


Silfluo Code:

LF-211-5

LF-211-10

LF-211-20

LF-211-50

Chemical Name:

Synonyms:

Polydimethylsiloxane (PDMS)

Low Viscosity Dimethyl Silicone Oil; Dimethicone

Molecular Formula:

(C2H6OSi)n

Molecular Weight:

Variable (Polymer)

CAS NO.:

63148-62-9

EINECS NO.:

613-156-5

Viscosity (25°C, mPa.s)

5±1

10±1

20±2

50±5

Flash Point (opened cup)

≥115°C

≥160°C

≥180°C

≥270°C

Density (25°C, g/cm3)

/

0.930~0.940

0.940~0.960

0.956~0.966

Refractive Index(25°C, nD25)

1.3940~1.4020

1.3940~1.4020

1.3940~1.4020

1.4020~1.4040

Volatile (150°C, 2h)/%

/

/

/

≤1.0

Applications of LF-211 Low-Viscosity Dimethyl Silicone Fluid


Due to its extremely low surface tension, rapid spreading capabilities, and lightweight feel, the LF-211 Series is highly sought after across specialized industries:

1. Personal Care & Cosmetics (Premium Dimethicone): LF-211 is highly prized as a volatile carrier and lightweight base fluid in antiperspirants, skin care creams, and premium hair care products. It provides excellent wet and dry combing properties, significantly reduces static electricity, and imparts a silky, smooth, and non-greasy tactile finish.

2. Leather & Premium Surface Care: Widely utilized in high-end leather protectants, furniture polishes, and automotive interior care formulations. It delivers high gloss, superior spreading, and a deeply conditioned, smooth feel without heavy residue.

3. Penetrating Lubricant: Thanks to its exceptionally low viscosity, it acts as an outstanding penetrating oil and light-duty lubricant for precision machinery, delicate plastic-to-metal contacts, and fine mechanical components where standard oils would be too viscous.

4. Defoaming Base Material: Leveraging its strict incompatibility with aqueous systems, it serves as a highly effective, fast-spreading base fluid for formulating specialized defoamers and antifoaming agents.

5. Damping & Heat Transfer Fluid: Utilized as a specialized, low-temperature damping fluid for delicate instruments and as a highly stable heat transfer medium in specialized thermal management systems.

6. Precision Mold Release: Acts as a fast-spreading, highly effective release agent for intricate rubber and plastic molding processes, ensuring clean separation for complex geometries.


Package & Storage of LF-211 Low-Viscosity Dimethyl Silicone Fluid


  • In 200kg drum and 950kg IBC

  • Keep in cool, dry and ventilated place. Keep away from sunlight and fire sources. Keep in unopened containers, shelf life is 24 months from the date of production. It is shipped as non-hazardous substance.

  • Storage beyond the shelf life does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

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