Best Impeller Type For Overhead Stirrer For Mixing Cleansers

MarkBroussardMarkBroussard Member, Professional Chemist
Recommendations? ... Either a cross impeller or a propeller?
Chemist/Microbiologist formulating in the Organic & Naturals arena under ECOCert/Natural Products Assn/Whole Foods/National Organic Program guidelines focused skincare & haircare products. 

See website for details www.desertinbloomcosmeticslab.com

Comments

  • BobzchemistBobzchemist Member, PCF student
    edited November 2017
    Lab, pilot or production?

    I prefer to use glass beakers. If you're working in a situation where replacing those beakers isn't an issue, or if you use stainless steel mixing vessels, I'd suggest an efficient turbine/hydrofoil blade.
    http://www.indco.com/shop/impellers/hydrofoil

    If you're working for a smaller company, or are on your own, and replacing beakers is a significant cost, I'd suggest using a somewhat less efficient, but much safer/gentler on beakers, coil/spiral impeller.
    http://www.indco.com/shop/search?keyword=coil

    https://www.amazon.com/Talboys-Bow-Tie-Impeller-Diameter-Stainless/dp/B005CJZJIW


    Indco has some good information
    http://www.indco.com/shop/impellers
    Robert Zonis, Sr. Formulation Chemist, Beaumont Products "All opinions and comments expressed are my own, have no relation to Beaumont Products, are fully copyrighted, and may not be used without written permission."
  • MarkBroussardMarkBroussard Member, Professional Chemist
    @Bobzchemist ;

    Lab scale ... batches are about 3 Liters ... no issue with beakers.  The main issue is mixing for dispersion of Sclerotium Gum as a thickening agent to form a gel cleanser w/o trapping a significant number of bubbles in the gel.  
    Chemist/Microbiologist formulating in the Organic & Naturals arena under ECOCert/Natural Products Assn/Whole Foods/National Organic Program guidelines focused skincare & haircare products. 

    See website for details www.desertinbloomcosmeticslab.com
  • I was introduced to this type of stirrer ages ago and it became my standard general use device for efficient mixing.

    http://www.ika.com/owa/ika/catalog.product_detail?iProduct=0513500&iProductgroup=187&iSubgroup=1&iCS=1&iAcc=1&iCon=

  • BobzchemistBobzchemist Member, PCF student
    That should be perfect for general dispersions.

    Mark, you might seriously want to try the bow tie coil impeller. The flow pattern may be what you need for the Sclerotium Gum.
    Robert Zonis, Sr. Formulation Chemist, Beaumont Products "All opinions and comments expressed are my own, have no relation to Beaumont Products, are fully copyrighted, and may not be used without written permission."
  • BobzchemistBobzchemist Member, PCF student
    Robert Zonis, Sr. Formulation Chemist, Beaumont Products "All opinions and comments expressed are my own, have no relation to Beaumont Products, are fully copyrighted, and may not be used without written permission."
  • At $492 for a bit of bent metal on a rod, (R1300) I think I'd rather pay a local machine shop the same to make about 50 of them.
    Cosmetic Brand Creation. Concept to name to IMPI search to logo and brand registration. In-house graphic design inc. Pantone specs. Cosmetic label and box design & graphics.
  • Which is what I did after assessing the first one.
  • MicroformulationMicroformulation Member, Professional Chemist
    edited December 2016
    In my experience, with the exception of anchor blades (need at least one of them), most blades are pretty affordable. I own several bow tie impellers and use them often.  http://www.indco.com/five-inch-anchor-paddle
     

    markfuller@microformulation.com Microformulation.com Microformulation Cosmetic Consulting provides Custom Formulations for both large Commercial accounts as well as smaller entrepreneurs. We can provide Naturally compliant Formulations under the NSF, NPA, Whole Foods and USDA Organic Certifications. BS.Pharm Albany College of Pharmacy, Union University.
  • One of these might be pretty useful for making things like peel-off face masks.
    http://chinaconcretemixers.com/mini-concrete-mixer-for-sale/

    Cosmetic Brand Creation. Concept to name to IMPI search to logo and brand registration. In-house graphic design inc. Pantone specs. Cosmetic label and box design & graphics.
  • MarkBroussardMarkBroussard Member, Professional Chemist
    Thank you all for your comments and recommendations.  I will try a couple of the options mentioned above.
    Chemist/Microbiologist formulating in the Organic & Naturals arena under ECOCert/Natural Products Assn/Whole Foods/National Organic Program guidelines focused skincare & haircare products. 

    See website for details www.desertinbloomcosmeticslab.com
  • If anyone is interested in making their own stirrer in the design I highlighted above be aware the the toothed disc on the stirrer shaft is at an angle of about 10 degrees off horizontal. This is not apparent from the illustration on the IKA site. The offset is necessary to give efficient stirring action.
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