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Tri Sodium Citrate 1kg to 25kg Bags

£4.99
(£5.99 inc tax)
10 days
Price in points: 275 points
Reward points: 5 points
Weight: 2.60 kg per item
Tri Sodium Citrate
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Tri Sodium Citrate Plaster Retarder for all gypsum based plaster. this product will slow down your reaction giving more working time and opportunity for air release, mould filling or in the case of cornice manufacture the ability to mix two plaster mixes at once and complete the job in one go.

Care MUST be used when employing Tri Sodium Citrate as a ratarder in plaster mixes for one reason. Too much and you will fully inhibit the cure of the plaster, the net result being a forever runny mix of white fluid! Therefore pot tests are essential to establish concentrations. As with glue size, use the same size pot every time so you add the same amount every time. Tri sodium is harmless and found in our own foods, it also doesn't smell like glue size!

Datasheets and Safety:
Please note that we no longer print and include datasheets with your order. All datasheets are available for download on the item where your purchase was made. It is the responsibility of the purchaser to download and read the information. Please think of the environment before deciding to print!
Mixing Guide:
A very easy to use product requiring no extra additives, simply add 1 kg to a gallon of very hot water, mix until fully dissolved and allow to cool. The product may then be used. As with glue size, no specific mixing guide has ever been written for make up of this mixture, its very much each to their own and pot tests are needed. When cooled, it is essential to test the potency of your mix. Take a standard sized 100ml pot. Make three test mixes: Standard Plaster One x 100ml Shot Two x 100ml Shot Time the period taken to harden and adjust the amount of retarder liquid to achieve the required delay time. The measurements above are simply a guide, you can modify any of the ratios to suit. NO LIME IS REQUIRED IN THIS MIX !!DO NOT OVER ADD THIS MIXTURE AS EXCESS CITRATES WILL CAUSE A COMPLETE FAILURE TO SET!!

Material Safety Data Sheet (MSDS / CoSHH) (trisodium_MSDS.pdf, 116 Kb) [Download]

Technical Data Sheet (trisodium_TECH.pdf, 36 Kb) [Download]