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Pharmaceutical Excipients
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Carbomer

Carbomer is a high-molecular-weight polymer derived from acrylic acid, widely used across the pharmaceutical, cosmetic, and personal care industries for its outstanding thickening, suspending, and stabilizing properties. Typically supplied as a fine powder, carbomer can be easily dispersed in aqueous systems. When dispersed in water, it swells to form hydrogels, allowing it to function as a highly efficient viscosity modifier and gelling agent. Moreover, different grades and cross-linking densities of carbomer offer a range of viscosities and rheological behaviors, enabling formulators to precisely adjust product texture and performance.

In pharmaceutical applications, carbomer enhances the consistency, stability, and aesthetic qualities of both topical and oral formulations. It is generally recognized as safe (GRAS) by regulatory authorities and is considered non-irritating, non-sensitizing, and non-toxic at standard use levels. Additionally, its excellent stability across a wide temperature range and compatibility with numerous ingredients further contribute to its broad adoption in diverse pharmaceutical formulations.

Our Products

At our company, we specialize in the production and supply of high-quality carbomer products designed to meet the stringent requirements of the pharmaceutical and healthcare industries. We understand that consistency and quality are paramount in pharmaceutical manufacturing, and our products are designed to meet the most stringent industry standards, including those of the USP, EP and Ch.P. Our wide range of high-quality carbomer products include homopolymers, copolymers, and interpolymers.

Types	Brand Name	Neutralized Viscosity, mPas (0.5 wt.% @ pH 7.3~7.8)	Applications	Carbomer Product Type
Types	Brand Name	Neutralized Viscosity, mPas (0.5 wt.% @ pH 7.3~7.8)	Applications	Chinese Pharmacopoeia (ChP)	United States Pharmacopeia (USP/NF)	European Pharmacopoeia (EP)
Homopolymer Carbomers	PI-Carbomer 981G	4000-11000	Semisolids and gels Topical drug delivery Ophthalmic drug delivery	Homopolymer Type A		Carbomers
	PI-Carbomer 971P	4000-11000	Semisolids and gels Suspensions Extended release Oral solid doses Oral drug delivery Topical drug delivery Ophthalmic drug delivery Oral care	Homopolymer Type A
	PI-Carbomer 71G	4000-11000		Homopolymer Type B
	PI-Carbomer 934P	29400-39400	Semisolids and gels Solutions and suspensions Extended-release oral solid doses Oral drug delivery Topical drug delivery	Homopolymer Type B
	PI-Carbomer 974P	29400-39400	Semisolids and gels Solutions and suspensions Extended release Oral solid doses Oral drug delivery Topical drug delivery Ophthalmic drug delivery Oral care	Homopolymer Type B
	PI- Carbomer 956	21000-41000	Semisolids and gels Solutions and suspensions Extended-release oral solid doses Oral drug delivery Topical drug delivery Ophthalmic drug delivery Oral care	Homopolymer Type B
	PI-Carbomer 970G	40000-60000	Semisolids and gels Topical drug delivery Ophthalmic drug delivery Oral care	Homopolymer Type C
	PI-Carbomer 941G	4000-11000	Bioadhesive agent Suspension and emulsion stabilizer Semisolids and gels Topical drug delivery	Homopolymer		-
	PI-Carbomer 960G	40000-60000	Bioadhesive agent Semisolids and gels Topical drug delivery	Homopolymer		-
Copolymer Carbomers	PI-Carbomer 1382G	10000-29000*	Semisolids and gels Topical drug delivery Ophthalmic drug delivery	Copolymer Type B		Carbomers
	PI-Carbomer TR-10P	10000-29000*	Semisolids and gels Solutions and suspensions Topical drug delivery Ophthalmic drug delivery	Copolymer Type B		Carbomers
	PI-Carbomer 1342G	9500-26500*	Semisolids and gels Topical drug delivery	Copolymer		-
	PI-Carbomer TR-20P	4500-13500*	Semisolids and gels Solutions and suspensions Topical drug delivery Ophthalmic drug delivery	Copolymer Type A		Carbomers
Interpolymer Carbomers	PI-Carbomer 2020G	47000-77000*	Semisolids and gels Solutions and suspensions Topical drug delivery Oral care Ophthalmic drug delivery	Interpolymer Type B
	PI-Carbomer 200G	47000-67000*		Interpolymer Type B
	PI-Carbomer 210G	45000-65000		Interpolymer Type A
	PI-Carbomer 100G	45000-65000	Semisolids and gels Topical drug delivery Ophthalmic drug delivery	Interpolymer Type A

*Measured at 1.0 wt.% Carbomer

Applications

The remarkable properties of carbomer have made it a cornerstone excipient across a multitude of pharmaceutical and healthcare applications. Its primary functions as a thickening agent, gelling agent, suspension agent, and emulsion stabilizer. Its primary applications include:

Topical Formulations

Carbomer is extensively used in creams, gels, and ointments to control viscosity, improve spreadability, and enhance the stability of active ingredients. Particularly, its ability to form clear gels without affecting the appearance of the formulation makes it particularly suitable for transparent or colored gels.

Oral and Liquid Formulations

In oral suspensions and liquid medications, carbomer acts as a thickening and suspending agent. It helps maintain uniform distribution of active ingredients, ensuring accurate dosing and improved patient compliance. Moreover, its neutral pH compatibility ensures that it does not interfere with the stability or taste of the formulation.

Ophthalmic Products

Carbomer's high water retention capacity makes it an ideal ingredient in eye drops and other ophthalmic solutions. It can enhance the residence time of medicated drops on the eye surface, improving therapeutic efficacy while maintaining comfort and lubrication.

Specialized Pharmaceutical Uses

Advanced carbomer grades are used in controlled-release formulations, mucoadhesive gels, and transdermal drug delivery systems. Its ability to form hydrogels that respond to environmental stimuli allows for the development of innovative and patient-friendly drug delivery solutions.

Carbomer is an indispensable excipient in modern pharmaceutical formulations. Its versatility, stability, and ease of use make it an ideal choice for a wide range of applications, from topical gels to oral suspensions At our company, our high-quality Carbomer products are designed to meet the evolving needs of formulators worldwide. By offering diverse grades, superior performance, and technical support, we empower our clients to develop innovative, effective, and reliable products that enhance the quality of life for end users.

Please kindly note that our services are for research use only.

Carbomer

Our Products

Applications

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