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Gelest RIA-SRA

Gelest Red Iron Oxide SR (RIA-SRA) is a red iron oxide powder with polycaprylylsilsesquioxane and trimethylsiloxysilicate. The hydroxyl-terminated silsesquioxane network in the coating improves adhesion to skin and hair, making it ideal for use in color cosmetic formulations. This pigment is the best candidate for use in long-wearing and water-resistant makeup.

Properties

Physical Form
  • Powder
  • Solid

Identification

Product families

Applications

Personal Care — Beauty & Care
  • Color Cosmetics

Product Families

Cosmetic Ingredients — Pigments & Colorants
  • Color Pigments
  • Treated Pigments & Powders
Pigments & Colorants — Treated Pigments & Powders
  • Hydrophilic Treatments

Other characteristics

Color
Red
Pigment Treatment Type
Silicone & Silane Treatment
Pigment Treatment Family
Hydrophilic Treatments
Odor
Slight characteristic
Markets
Personal Care
C.I. Number
77491
Appearance
Red powder
Technology
  • Cosmetic Ingredients
  • Pigments & Colorants
Benefit Claims
Moisturizing
Recommended Uses
  • Long-wearing lipsticks
  • Long-wearing foundations
  • Long-wearing eyeshadows
  • Long-wearing eyeliners
  • Long-wearing mascaras
Application Format
  • Creams
  • Leave On
  • Powder
  • Stick
HIGHLIGHTS

Trimethylsiloxysilicate (SR)-Treated Pigments and fillers provide superior adhesion to skin and hair.; SR pigments are best candidates to be used in long-wearing and water-resistant makeup.; They are hydrophobic yet are not overly sensitive to oils including sebum.

Performance Benefits

SR pigments and fillers are coated with a hydroxyl terminated silsesquioxane network that improves adhesion to skin and hair. SR pigments are well suited for use in eye make-up formulations. They are hydrophobic, yet are not overly sensitive to oils including sebum.; Water repellency; Low oil absorption; Forms high solids dispersions; Improves wear; Improves skin adhesion; Improves compressibility; Recommended for long wearing eye area products

Packaging Information
  • 75g
  • 300g
  • 1kg
  • 10kg
  • 25kg
  • Packaging Under : Nitrogen
SR Treatment Benefits
  • Superior skin adhesion
  • Water repellency
  • Low oil absorption
  • Provides long wear
  • Higher loading capacity
Cosmetics
  • BB Creams
  • Compact Powder
  • Foundation
  • Lipstick
Cosmetic Ingredients Functions
Pigment

Technical data

Table 1 of 4

2 rows
CharacteristicValueUnit
HydrophobicityPasses (1 gram floats on 50 ml still deionized water for one hour)—
Loss on Drying (at 105°C, 3 hours)max. 1%

Table 2 of 4

1 row
CharacteristicValueUnit
Microbial Content (No Pathogens)max. 100cfu/g

Table 3 of 4

2 rows
CharacteristicValueUnit
Red Iron Oxide Content96 - 99%
Trimethylsiloxysilicate Content1 - 4%

Table 4 of 4

8 rows
CharacteristicValueUnit
Arsenic Contentmax. 3ppm
Cadmium Contentmax. 1ppm
Chromium Contentmax. 100ppm
Copper Contentmax. 50ppm
Lead Contentmax. 10ppm
Mercury Contentmax. 1ppm
Nickel Contentmax. 200ppm
Zinc Contentmax. 100ppm

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