SAG638 antifoam emulsion

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Product Description:

SAG 638 antifoam emulsion is an

excellent candidate to consider for

general purpose foam control in

aqueous systems.

SAG 638 antifoam emulsion excels

in applications requiring excellent

knock down and durability.

Remarkably small concentrations

can sharply reduce the foam

created, which can cut down the

processing time and potentially

permit maximum capacity


Key Features and Typical Benefits

outstanding and quick foam knockdown

excellent durability in both                       non-ionicand anionic surfactant systems

long lasting antifoam performance             inacidic and alkaline conditions

good emulsion stability

readily dispersible in the foaming media

Potential Applications

foam control in textile pre-treatment   processes and textile print pastes  

textile sizing and scouring agents

acrylic latexes and thickeners used      for textiles and nonwovens

other chemicals and chemical

processes requiring foam control

Figure 1:  The picture below shows the stability of a 10% aqueous dilution of SAG 638 antifoam emulsion as opposed a comparative antifoam Product A, available in the market.

Figure 2:  The graph below shows the exceptional foam knockdown ability of SAG 638 antifoam emulsion as compared to competitive antifoam (Product A).

General Instructions for Use

SAG 638 antifoam emulsion can provide excellent performance as a defoamer as well as an antifoam agent. Therefore, it is recommended that SAG 638 antifoam emulsion be added to the aqueous system before the foaming process


Generally, only a very low concentration of 50 - 100 ppm or 0.05 - 0.1 g/L of SAG 638 antifoam emulsion is necessary to suppress foam. However, the optimum level is really dependent upon many factors such as temperature, bath composition,

viscosity or agitation of the foaming system.

Use SAG 638 antifoam emulsion as received or dilute first with water.

Mix the antifoam well before use.

Dilution: Mix 3 to 10 parts of water to 1 part antifoam emulsion and stir gently until a uniform mixture is obtained. For a long-

term bulk stability of the dilution, thickener and biocides need to be added.

Dilution of Sag 638 antifoam emulsion to 15% solids

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