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Solid agrochemical formulations have been known for many years in the industry. Examples for solid formulation types are wettable powders (WP), granules (GR) and water dispersible granules (WG).
SIPERNAT® precipitated silica and AEROSIL® fumed silica are used in solid formulations as flow aid, anti-caking aid, milling aid and as carrier for liquid active ingredients. WP formulations treated with SIPERNAT® or AEROSIL® products are dry, free-flowing and do not tend to cake on storage.
In granules for direct application in the field, however, large particle size silica can be advantageous. Those grades can be used as carrier for liquid or low melting actives providing both a free flowing as well a non-caking absorbate. The granular shape of the absorbate is already predesigned with the silica. No additional granulation step is necessary.
Visit our following website to find out more about AEROSIL® fumed types for solid crop protection formulations: www.aerosil.com
Fact sheet: Anti-caking effect in powdered
Fact sheet: Improving your milling process with AEROSIL® fumed silica and SIPERNAT® specialty silica
Industry Information 2241: AEROSIL® and SIPERNAT® Products for Optimized Crop Protection
Technical Information 1351: SIPERNAT® and AEROSIL® as flow aid and anticaking agent