Aerosil r 812 should be used within 2 years after production. Aerosil r 812 s silica silylate by evonik im glenn corp. Improved reinforcement and thixotropic effect in rtvsilicone rubber. In the case of aerosil r 812 s, aerosil r 805 or aerosil r 202, on the other hand, loops or ball shapes tails, coils are more probable as a result of surface modification with space filling groups and the lower number of silanol groups points of attachment. Aerosil r is a fumed silica aftertreated with hmds based on aerosil applications and properties. Aerosil r is a fumed silica aftertreated with organosilane hmds with high specific surface and marked hydrophobia. Versatile raw materials for personal care formulations. They are also superior to the hydrophilic products in their improved resistance to aging, thanks to their extremely hydrophobic nature. Properties aerosil 200 aerosil r 974 aerosil r 104 aerosil r 812 s aerosil r 8200 behaviour in water hydrophilic hydrophobic bet surface area m. View detailed import data, price, monthly trends, major importing countries, major ports of aerosil r972 under hs code 2811.
The product has a large specific surface area and is very hydrophobic. It provides effective rheology control in complex liquid systems, stabilization of pigments, enhanced effect of corrosion protection and free flow aid. Aerosil r 812 s should be used within 2 years after production. It offers benefits such as stabilization of pigments, enhanced effect of corrosion protection, free. Evoniks aerosil range is the most extensive range of fumed silica on the market, with many of their products tailored for particular applications. Silica highly specialized particles for flow improvement. Ungraded products supplied by spectrum are indicative of a grade suitable for general industrial use or research p. Aerosil r972s stabilizing effect compared to aerosil 200 was assumed to be associated with its hydrophobic surface property, which might have resulted in reduced moisture uptake. Thus, aerosil r972 was selected to be the coating agent for manufacturing prototype tablet formulations.
It prevents a premature reaction and caking of powdered colorant component hair. Aerosil fumed silica has many applications in hair care products, particularly dry shampoo, providing an easy alternative to timeconsuming wet washing and drying. Part 1 of the series, entitled basic characteristics of aerosil fumed silica, was later integrated. Aerosil r 812 is a fumed silica after treated with hmds based on aerosil 300. Other silicone systems, on the other hand, require certain levels of viscosity, which can be set selectively by the use of a fumed silica. Aerosil r 812 s by evonik im dewolf chemical an azelis company. Aerosil r s fumed silica after treated with hmds based on aerosil it is used in paints and coatings, adhesives and sealants, and silicone. Safety data sheet classified in accordance 29 cfr 1910. Aerosil r 812 is a fumed silica aftertreated with organosilane hmds with high specific surface and marked hydrophobia. Said silica is produced by hydrophobizing pyrogenically produced silica by reaction with a halogen free silane and then compacting it with means consisting of a roller compactor or a belt filter press. Aerosil r 8200 that satisfy these exacting requirements.
Aerosil r 812 s by evonik is hydrophobic fumed silica. It is a fumed silica treated with organosilane with high specific surface and marked hydrophobia. Methods of making hydrophobic, pyrogenically produced silica having a tamped density, of 55 to 200 gl. Aerosil r 812 silica silylate by evonik im glenn corp. Key benefits highly efficient high transparency therefore especially recommended for automotive clear coats highly recommended for 2k pu effect antisettling antisagging corrosion resistance suitability waterborne solventborne radiationcuring 1pack coatings 2pack coatings. Sep 24, 2019 aerosil r is a fumed silica aftertreated with organosilane hmds with high specific surface and marked hydrophobia.
Successful use of aerosil fumed silica in liquid systems. Technical datasheet supplied by evonik hydrophobic fumed silica. Silicones and siloxanes, dimethyl, reaction products with silica other means of identification cas number. The versatility of aerosil means that it can be found all around us, from the paints on our walls to the fertilizers on our crops. Silicone rubber deliberately thickened thanks to aerosil. Aerosil r 812 s aerosil r 8200 aerosil r 9200 view more 27. Aerosil r 812 s and even highly hydrophobic structurally modified products e. Major global producers are evonik who sells it under the name aerosil, cabot corporation cabosil, wacker chemie hdk, dow corning, heraeus zandosil, tokuyama corporation reolosil, oci konasil, orisil orisil and xunyuchemxysil. Aerosil r 200, also known as fumed silica, is used as an anticaking agent in powders and a thickening agent in solutions.
Smaller particle sizes may require hydrophobic aerosil grades as aerosil r 972 or aerosil r 812 for good free flow improvement. It is used for adhesives and sealants, epoxy, vinyl ester resins, cable gels, and gel coats. Aerosil fumed silica effectively prevents moistening and caking of the peroxo and persulfate salts usually used in bleaching powders. It provides effective rheology control and antisettling properties. Aerosil r 812 by evonik is a fumed silica after treated with organosilane hmds. Evonik resource efficiency gmbh product information aerosil r 812 s oct 2019 page 12. Aerosil r 972 aerosil r 974 aerosil r 812 s aerosil r 202 aerosil r 805 aerosil r 812 sipernat precipitated silica sipernat specialty silica grades are synthetically manufactured in a liquidphase precipitation process. Aerosil r 812 s by evonik acts as an anticaking, free flowing, hydrophobizing, gelling, suspending, dispersing and thickening agent. Aerosil r 812 s is supplied in multiple layer 10 kg bags. Aerodisp 1030 is an easy to use dispersion based on aerosil r 9200 30 % in methoxypropyl acetate.
Aerosil r 812 is a high thickening fumed silica surface treated with hmds. Combined with other powder ingredients, aerosil provides a volumizing effect to styling aids, and since dry water contains mostly an aqueous phase by weight, the. Provides effective free flow and anticaking behaviour. Aerosil fumed silica in unsaturated polyester resins and. It helps improve the homogeneous distribution of the pigments in color cosmetics. We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances. Evonik resource efficiency gmbh product information aerosil r 812 oct 2019 page 12. Product identifier trade name aerosil r 974 v chemical name silane, dichlorodimethyl, reaction products with silica casno. Zeena williams, in accelerated predictive stability, 2018.
Hydrophobic fumed silica aerosil r 812 is a fumed silica aftertreated with organosilane hmds with. The structuremodified, hydrophobic fumed silica aerosil r 8200 is suggested as excellent reinforcing agent both for filled and for transparent smp based adhesives and sealants. Excellent effect in the rheological control of complex liquid systems such as 2 k pur coatings. Import data and price of aerosil r972 under hs code 2811. Key benefits highly efficient high transparency therefore especially recommended for automotive clear coats highly recommended for 2k pu effect antisettling antisagging corrosion resistance suitability waterborne solventborne. Hydrophilic aerosil 200 and sipernat 22 s grades offer a good basis for first evaluations for free flow optimization of powders approx 5m diameter. It offers benefits such as stabilization of pigments, enhanced effect of corrosion protection, free flow aid and easily incorporated. Aerosil 200 applications processing of pvcpother plastics, controlled migration of additives e. Possesses an effective rheology control in complex liquid systemse.
Import data and price of aerosil r972 under hs code 2811 zauba. Sipernat d 17, sipernat d 10, aerosil r 974, aerosil r 812 inorganic salts. Lxc fumed silica white powder super strength thickener, 1 gallon for epoxy, polyester, fiberglass resin, adhesive, paint systems, thickening agent, sealant, silicone, hydrophilic, fishing fly floatant. Applications and properties properties lthe product has a large specific surface area and is very hydrophobic lgood flowability and dispersion properties lexcellent effect in the rheological control of complex. Sipernat d 17, sipernat 22 s, aerosil 200, aerosil r 974 rubber recycling. Sipernat 22 s, sipernat 50 s, sipernat d 17, aerosil 200 plaster. Free flow of foodstuffs and industrial powders high chemical purity. Comparison of the viscosities of aerosil r 812 s and structuremodified. Aerosil r 812 is supplied in multiple layer 10 kg bags.
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