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SIPERNAT® specialty silica and AEROSIL® fumed silica are used in defoamer, foam inhibitors, foam regulators and/or deaerator formulations based on various hydrophobic liquids such as mineral oil, silicone oil and/or vegetable oil. Properly dispersed in oil, SIPERNAT® and AEROSIL® effectively disrupt the formation of bubbles in most kinds of foams by impairing bubble stability and causing bubbles to burst as they begin to form
Detailed product and application information can be found in brochure TI 1313 – “SIPERNAT® and AEROSIL® for Defoamer”.
SIPERNAT® D 10 / SIPERNAT® D 13* / SIPERNAT® D 17Hydrophobic SIPERNAT® specialty silica allows for the convenient manufacture of effective defoamer and/or foam inhibitors. SIPERNAT® D 10, SIPERNAT® D 13*, and SIPERNAT® D 17 offer the optimal particle size for many industrial defoamer/deaerator applications. * SIPERNAT® D13 is available in North America only. AEROSIL® R 202 / AEROSIL® R 812 / AEROSIL® R 812 S / AEROSIL® R 972 / AEROSIL® R 974 / AEROSIL® R 816 Hydrophobic AEROSIL® fumed silica allow for the convenient manufacture of effective defoamer and/or foam inhibitors. They have the optimal particle size for many industrial defoamer/deaerator applications. Due to their adjusted hydrophobicity AEROSIL® R 972, AEROSIL® R 974 and AEROSIL® R 816 are particularly compatible in various coating applications. Detailed product and application information can be found in brochure TI 1381 AEROSIL® and SIPERNAT® - Efficient Booster for Defoamer in Paints and Coatings“ .
SIPERNAT® 35* / SIPERNAT® 383 DS The hydrophilic silica grades SIPERNAT® 35* and SIPERNAT® 383 DS are ideally suited for in-situ hydrophobization in mineral and/or silicone oil and dry roast hydrophobization. Due to the particle nature, alkaline catalysts are not needed for this reaction. SIPERNAT® 35* and SIPERNAT® 383DS are pre-milled for easy processing and optimal defoamer performance. (* SIPERNAT® 35 is available in North America only).
SIPERNAT® 320 DS SIPERNAT® 320 DS has a good reactivity with silicone oil when manufacturing hydrophobic booster silica for defoamer. However, a catalyst is needed for optimal hydrophobization results. SIPERNAT® 320 DS is already pre-milled for optimal defoamer performance.
Carrier for Powder Defoamer SIPERNAT® specialty silica is often used as carrier substance for powder defoamers, e.g. for the construction industry, powder detergents and oilfield applications. Liquid, semisolid, or paste-like defoamer formulations can be converted into powder form by means of SIPERNAT® specialty silica allowing for a more precise dosing and homogeneous distribution. Detailed information can be found in the brochures TI 1360 “SIPERNAT® and AEROSIL® – an Essential in Industrial Powder Technology” and TI 1213 “Specialty Silica as Flow Agent and Carrier Substance - Recommended Mixing Procedures for Powders and Granulates”.
Antisettling Agent Hydrophilic and hydrophobic AEROSIL® grades are used as viscosity modifier of oily liquids, like mineral-, silicone-, and vegetable oil. Especially in combination with SIPERNAT® D 10 their thixotropic properties are pronounced. More detailed information can be found in the brochure TI 1391 “Improving Sedimentation Stability of SIPERNAT® D 10 in Mineral Oil based Defoamer Formulations”.
Technical Information 1313: SIPERNAT® and AEROSIL® for Defoamer
Technical Information 1360: SIPERNAT® and AEROSIL® - an Essential in Industrial Powder Technology
Technical Information 1381: AEROSIL® and SIPERNAT® - Efficient booster for defoamer in paints and coatings
Technical Information 1382: Comparison of SIPERNAT® D 10 with in-situ hydrophobized fumed silica
Technical Information 1391: Improving Sedimentation Stability of SIPERNAT® D 10 in Mineral Oil based Defoamer Formulations