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Carbopol® and Pemulen™ Products for Topical Applications

Comparison Overview of Carbopol® and Pemulen™ Polymers for Topical Applications
Self Wetting Polymers Ultrez 10 NF



Ethyl Acetate Polymers 974P NF 971P NF
Cosolvent Polymers 5984 EP 980 NF 981 NF
TR-1 NF,
TR-2 NF 1,
ETD 2020 NF

Traditional Polymers2 934 NF,
934P NF 		940 NF 941 NF 1342 NF
Properties in a Formulated Application
Flow Characteristics Short Short Short Very Short Long Long
Relative Viscosity High High High Very High Low Medium
Suspending Ability
(yield value)		 High High High High High High
Mucilage Clarity High Medium Medium High High High
Relative Ion Tolerance Low Low Low Low Medium High
Relative Shear Tolerance3 Medium Medium High High Low Low
Applications
Clear Gels
Hydroalcoholic Gels
Lotions
Creams
Surfactants Systems
High Electrolyte Systems


1 Pemulen™ Polymers (Pemulen TR-1 NF and TR-2 NF). All other products noted in the table belong to the Carbopol® polymer product family.
2 Traditional polymers are synthesized in benzene. The Carbomers Monograph in the European Pharmacopeia stipulates that benzene is limited to 2 ppm.
3 Prolonged exposure to high shear should be avoided for all carbomers.