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SAG* 1538 Silicone Antifoam

Superior Foam Control for Longer Periods

A highly potent antifoam compound, SAG 1538 silicone antifoam uses silicone materials that exhibit excellent foam control across a broad range of foaming systems. This 100% active material can provide rapid de-foaming when initially applied to a foaming system. SAG 1538 silicone antifoam also is an excellent candidate to consider for maintaining exceptional foam control over longer periods through lower use levels than most conventional silicone antifoams.

  • Technical Documents

SAG* 1538 Marketing Bulletin

More About SAG* 1538 Silicone Antifoam

A versatile product, it typically is highly effective as a foam-control agent in hard-to-defoam surfactant concentrates, such as those containing organic surfactants and electrolytes, and performs well over a broad pH range. SAG 1538 silicone antifoam also offers the potential benefits of high antifoam potency in the majority of foaming systems and long-lasting foam inhibition.

Although SAG 1538 silicone antifoam is not immediately dispersible in water, it can be easily incorporated into surfactant concentrates by using the surfactants within the system to stabilize the antifoam within the formulation. When adding SAG 1538 silicone antifoam to these concentrates, it should be applied slowly to moderate agitations to ensure a complete and homogenous dispersion of the antifoam. 

Use levels for SAG 1538 silicone antifoam in a final foaming system will be dependent upon the nature of the foaming system and/or the agitation that causes the generation of the foam. It is recommended to add a sufficient level of SAG 1538 silicone antifoam at the starting point in order to achieve a final foaming formulation of between 5 ppm and 20 ppm.

For key features, typical benefits and physical properties, potential applications and more, please download the marketing bulletin on this page.

* SAG is a trademark of Momentive Performance Materials Inc.


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*The marks followed by an asterisk (*) are trademarks of Momentive Performance Materials Inc.