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Hand Sanitizing Gel

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By: TOM BRANNA

Editor

Hand Sanitizing Gel
Ingredients
%

0

  • Deionized water
  • 38.70
  • Carbopol Ultrez 20 Polymer or Carbopol Ultrez 21 Polymer (Lubrizol/Noveon) (Acrylates/C10-30 alkyl acrylate crosspolymer)
  • 0.25
  • Propylene glycol
  • 0.50
  • SDA 3-C Ethanol 200 Proof (ADM) (Alcohol Denat.,)
  • 60.00
  • SilSense Copolyol-1 Silicone (Lubrizol/Noveon) (PEG-33, PEG-8 dimethicone (and) PEG-14)
  • 0.30
  • Triisopropanolamine (Dow Chemical)
  • 0.25

Properties

Appearance—Clear Gel;  pH—7.3–7.6; Viscosity—(mPa·s) Brookfield RVT @ 20 rpm, 25°C, # 5 spindle—8,000–12,000 (Carbopol Ultrez 21) or 4,000–6,000 (Carbopol Ultrez 20); Clarity—Brinkmann PC 920 Colorimeter, 420 nm (%T)—90–95 Carbopol Ultrez 21) or 97–100 (Carbopol Ultrez 20); Stability—Passed 45°C, 3 months

More Information

Disperse Carbopol Ultrez Polymer by sprinkling on the surface of deionized water.  After polymer is wetted, mix slowly at low speed Slowly add the propylene glycol and alcohol with gentle mixing.  Allow as much air to escape as possible before proceeding. Add the SilSense Copolyol-1 silicone with gentle mixing. Add the triisopropanolamine with gentle sweeping motion to minimize air entrapment. Mix until uniform Add dye or fragrance if desired.