Technical datasheet

Carbopol® Ultrez 21 polymer

Supplied byLubrizol- Last Updated on Nov 7, 2025

Acrylates/C10-30 Alkyl Acrylate Crosspolymer. Carbopol® Ultrez 21 polymer by Lubrizol is a thickener, rheology modifier and suspending agent with electrolyte tolerance and high clarity. It is a cross-linked copolymer of polyacrylic acid that is polymerized in a toxicologically preferred co-solvent system. It offers self-wetting, short flow and non-drip properties.
  • It is high viscosity builder and stabilizer with short flow rheology characteristics.
  • It shows moderate creamy skin feel and improved swelling time without need for agitation, reducing processing time and costs.
  • It forms sparkling clear gels or hydro-alcoholic gels and creams.
  • Carbopol® Ultrez 21 polymer is used in creams & lotions, hand sanitizer, hand soaps, hand/foot care, insect repellent and intimate cleansers.
  • It is also used in styling products, wipes and sun care products.
  • It is Halal certified and China compliant.
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Carbopol® Ultrez 21 polymer properties

Other properties

PropertiesValue & unitTest conditionTest method
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