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LS-P60 Phenyl Siloxane
CAS NO.: 73559-47-4(70131-69-0)

Silfluo LS-P60 is a Polyphenylsilsesquioxane fluid, an oligomeric phenylsilsesquioxane resin supplied as a solution.

The polymer contains trifunctional phenylsiloxy (PhSiO₁.₅) repeat units forming a partially condensed three-dimensional siloxane network.

The high phenyl content raises refractive index, improves film gloss, and contributes thermal and oxidative stability relative to dimethylsilicone analogs.

Used as film-former, sensory modifier, and optical enhancer in personal care formulations including hair care, color cosmetics, sun care, and skin care.

INCI name: Phenylsilsesquioxane.

Performance equivalent to Wacker Belsil SPR 45 VP and Gelest SST-3P01.


Typical Technical Properties of LS-P60 Phenyl Siloxane


Silfluo Code:

LS-P60

Chemical Name:

INCI Name:

Phenylsilsesquioxanes

Phenylsilsesquioxane (or Polyphenylsilsesquioxane)

CAS No.:

EINECS No.:

73559-47-4(70131-69-0)

615-071-9

Molecular Formula:

(C6H5SiO1.5)n (Polymeric)

Appearance:

Colorless transparent fluid

Active Content (Phenylsilsesquioxane)

35 - 40%

Density (20°C, g/cm3):

0.97 -0.99

Viscosity(mm²/ML):

15-30

Refractive Index (nD 20°C):

1.4549-1.4626

Boiling Point(closed cup):

>100°C


Applications of LS-P60 Phenyl Siloxane


1. Hair care and styling

Used as shine-enhancing and protective film-former in hair serums, gloss sprays, and conditioning treatments.

2. Color cosmetics

Used as film-former and pigment dispersion aid in lipsticks, liquid foundations, and concealers.

3. Sun care formulations

Used as waterproofing agent and sensory modifier in sunscreen and after-sun formulations.

4. Skin care

Used as film-former and sensory modifier in anti-aging creams, body lotions, and protective skin care formulations.


Packing of LS-P60 Phenyl Siloxane


In 1kg fluorinated bottle, 200kg drum and 1000kg IBC.


Safety and Storage of LS-P60 Phenyl Siloxane


Store in a cool, dry, well-ventilated place away from direct sunlight, heat, and open flames. Keep containers tightly sealed.

Shipped as non-hazardous substance.

Shelf life: 12 months minimum from manufacture date in original unopened containers.


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