Model # 81100000

Internet #202209127

Store SKU #134512

Rapid Set 2.12 oz. Concrete Pharmacy Flow Control

Rapid Set

2.12 oz. Concrete Pharmacy Flow Control

  • Increases strength and fluidity
  • Increases compressive strength
  • For use with Rapid Set Cement® Products
$275 /each

Frequently Bought Together

Product Overview

Rapid Set FLOW Control has two functions. First, adding FLOW Control to your mix will significantly increase the fluidity of the mixture. Second, FLOW Control increases the strength and reduces the shrinkage of your mixture when you use the FLOW Control as a replacement for mixing water. When using FLOW Control, the same working consistency (or slump) may be produced with approximately 20 percent to 40 percent less mixing water. Use enough FLOW Control to achieve desired properties for your mix. Do not exceed 5 packets per 50 to 60 lb. bag of Rapid Set cement product. FLOW Control is designed for use with Rapid Set cement products and most other packaged hydraulic cements.

California residents: see   Proposition 65 information

  • Customize your cement mixture
  • Increases strength and fluidity
  • Convenient packets allow for easy control of dosage
  • Easy to use

Info & Guides

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Warranty / Certifications

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Customer Questions & Answers

is this plasticizer?

is this plasticizer>
Asked by: mike
Feels like it but not sure.
Answered by: chris
Date published: 2016-11-25

Could this be used with sandmix?

Making countertops with sandmix
Asked by: Justin
I don't know if you mean a specific brand but it certainly works with sand and cement to extend the working time and initial dry time.
Answered by: chris
Date published: 2016-11-25

Can this product be used with a potland type 1 and sand mix?

Can this product be used with a potland type 1 and sand mix?
Asked by: Carl
This product was designed to work perfectly with several of the Rapid Set Product offerings. The only way you will know for sure if it will work, is to give it a try on a test batch. Not the answer you were hoping for, but a 100% honest one.
Answered by: GFactor
Date published: 2017-05-15

Does this make the cement-all self-leveling?

I'm wondering if this flow control will cause the cement-all product to be more self-leveling. Thanks.
Asked by: Stray
The flow control does not make the Cement All a self leveling product, it does however liquefy the material in order to give you a pourable consistency without adding additional water. Thank you for choosing Rapid Set!!
Answered by: Rapid Set Product Expert
Date published: 2016-03-14
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Customer Reviews

2.12 oz. Concrete Pharmacy Flow Control is rated 4.6 out of 5 by 8.
Rated 5 out of 5 by from This product is a MUST if you are using Rapid Set Cement All. This product is a MUST if you are using Rapid Set Cement All.
Date published: 2017-03-25
Rated 5 out of 5 by from Makes Rapid Set Products Flow First off, this is only designed to work with Rapid Set Products. There are a ton of manufacturers and admixes in today's world, but this does not mean they will all play together well. So if you are mixing your own secret receipe of concrete, I would not use this, but if using a Rapid Set Product then 100% it works great. The more water you add to a cement based product the weaker the final product becomes. So when you have an application that you need it to flow or need to be able to ensure it gets into ever nook and cranny or a mold, or into small gaps, instead of adding more water (which only weakens the mix), add one of these, or up to four packets for each 50lb bag of Cement All, or which ever Rapid Set product you are using. If you have never used a product like this, it really is amazing how this little packet of white powder will suddenly turn your thick mix into a smooth, flow-able one. Just sprinkle it in, and continue to mix like normal. In a matter of seconds, your mix will transform. Very Cool! Cheers!
Date published: 2016-06-05
Rated 5 out of 5 by from I love this stuff excellent product to achieve a smooth and pourable mixture that has less water which equates to higher strength. mix rapid set cement to thick milkshake consistency, then sprinkle in flow control to desired consistency. it's really cool to watch the thick cement mixture turn watery with just a little bit of powder.
Date published: 2012-11-17
Rated 5 out of 5 by from Makes Concrete Flooooooow I used this product with Rapidset concrete for use in a semi-complex concrete mold. I had never worked with mixing concrete before and my first attempt did not turn out well (I think I had too much water). My second attempt turned out very good. This flow control powder helped the concrete flow into the mold cavities well and I had minimal bubbles/voids in my finished product.
Date published: 2015-08-03
Rated 4 out of 5 by from Not real sure yet of strength cause at 60 degrees it seems like it had double the working time or... Not real sure yet of strength cause at 60 degrees it seems like it had double the working time or more of what I would expect without it. Not sure how much it affects slump, does seem kinda of claylike consistency cause I am using it for sculpture with sika acrylic bonder from home depot with sakrete concrete patcher. Most likely it will eventually enhance strength but i put in the maximum amount and it is still at 30 hours pretty delicate when without it i would expect it to be kinda strong. Probably best to try 1 packet per 94 lb cement or 2 packets on hot days. I tried 50% more than they recommend and very slow setting time, not sure it it saves on water 30% as expected. My recommendation and 4 stars is a wild guess in 28 days I'll know.
Date published: 2016-11-25
Rated 3 out of 5 by from Certainly boosts fluidity, but retards set I ran out of my usual plasticizer (Riteks 7000 polycarboxylate) that I use for self-leveling microtopping so I picked this up. I works well enough and boosts fluidity but not as well as Riteks. However as I write this it's been 24 hours and I've only got a very soft set - like jello and I'm very concerned. Usually by now I can stand on it, this time my foot sank in. I used 4 bags mixed in with two 80lb bags of sackrete 3-1 sand mix + 6 quarts of portland cement + 2 gallons of 50/50 acrylic fortifier/water + 14 ounces of liquid latex + 4oz (by volume) fiberglass fibers. I added another ~gallon of water during the mix. The flow control must contain a set retarder, or it reacted badly to the acrylic&latex admix. I'll update after a day or so.
Date published: 2015-09-08
Rated 5 out of 5 by from GREAT ADDITION If you need a smooth flush surface from Rapid Set concrete add this as per the directions and you can not go wrong!
Date published: 2014-08-06
Rated 5 out of 5 by from Great for leveling floors Great stuff to add to rapid set to self level your floors
Date published: 2016-08-10
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