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Carbopol 940 Thickner

Carbopol 940 Thickner
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Carbopol 940 is a ph-sensitive gelling thickener useful for formulating crystal clear gels as well as stabilizing emulsions. It is very versatile and safe.

It is a cross-linked polyacrylate polymer, that is a very efficient thickener, rheology modifier,  providing high viscosity and clear water or hydroalcoholic for making a variety of gels and creams. 

TIPS:

1. Hydrating the Carbopol : As with gums, Carbopol 940 should be put into a dry container to which the amount of room temperature distilled/deionized water, in your formula, will be added. It should then be allowed to swell/hydrate. The pH of the Carbopol gel will be about 3.3 prior to neutralization (see 4).
2. When it is fully hydrated, and IF the formula does not contain ingredients that may have compatibility issues with Carbopol (see 3), then incorporate the remaining aqueous ingredients and heat if necessary. Incorporate other phases if applicable.
3.Compatibility: Carbopol 940 is anionic, and therefore may experience compatibility problems with any cationic material. Sodium (salt) may have a negative effect on the viscosity of Carbopol 940 products. To minimize these negative effects, neutralize(see 4) Carbopol gel before adding in the other phases/ingredients.
4. Neutralization: Preferably, neutralization would take place at the end of formulation.This would be the instruction in all cases except as mentioned in (3). This is preferable because the Carbopol will not fully thicken the product until you raise the pH. This makes the formulation easier to work with.

Test the pH of the formulation with your pH meter. Then add neutralizing agent until a pH of 5.5-7 (depending on preference) is achieved.

Other neutralizing ingredients (in ratio):.

  • NaOH (Sodium Hydroxide): Begin with Caustic Soda Pearls and make a 25% solution with distilled water. Of this solution, you would generally use 2 parts NaOH to every 1 part Carbopol 940.
  • KOH (Potassium Hydroxide): Begin with Potassium Hydroxide and make a 25%solution with distilled water. Of this solution, you would generally use 2 parts KOH to every 1 part Carbopol 940.

INCI: CARBOMER

The properties of Carbopol 940 type polymer short flow (non-drip) are great for applications where you are making clear gels, hydro alcoholic gels, creams.

Features and Benefits :

  • Short flow properties
  • High suspending ability
  • High viscosity
  • High clarity 

Recommended Applications

  • Hair styling gels
  • Hydro alcoholic gels
  • Moisturizing gels
  • Bath gels
  • Hand, body, and face lotions
  • Creams typical usage is 0.1 to 1.5 % depending on the thickness desired.

 Animal Testing: Not animal tested

GMO: GMO-free (does not contain plant-derived components)

Vegan: Does not contain animal-derived components

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  • $195
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  • SKU
    THC940-1K
 

 

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Product questions

  • Colleen Parkin
    Sep 27, 2020, 14:49

    I was thinking of purchasing Carbopol 940 and was wondering if you can use it to thicken a gel with aloe vera in it. I had also heard of Carbopol 2020 to use to thicken gels and wonder if you know anything about this product. Thanks for your time. Colleen

    Administrator
    Sep 27, 2020, 15:41

    Hi Colleen
    Carbomer is a thickener on its own.
    The Ph of the distilled water must be neutral at 6.5 to 7. You can use potassium hydroxide, sodium hydroxide or TEA. Weigh out your distilled water and check the ph using a ph strip or ph meter. The only way for the carbomer to swell is with a neutral ph. Add a little sodium hydroxide or tea and retest your water. When you have achieved a ph of between 6.5 to 7, your water is ready for the carbomer.

    Sprinkle the carbomer into the distilled water and let hydrate for 5 min., then mix well with a stick blender until the powder seems fully dissolved and the mixture has thickened to a gel. Make sure to add a preservative.
    As far as adding aloe, think about using aloe juice as the gel contians xanthan gum and may make the gel sticky or snotty.

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