Hoffmann Mineral is a manufacturer of Neuburg Siliceous Earth, a natural combination of corpuscular Neuburg Silica and lamellar kaolinite: a loose mixture impossible to separate by physical methods. As a result of natural aging, the silica portion exhibits a round grain shape and consists of aggregated primary particles of about 200 nm diameter. Such a unique structure is responsible for a relatively high specific surface area and oil absorption, which result, besides rheological activity, also in a whole range of application properties. Their manufacturing program includes the standard products Sillitin, Sillikolloid and puriss, the surface-treated Aktisil and the calcined products Silfit and Aktifit.
AKTIFIT AM is an activated SILFIT Z 91, produced by modifying the surface with amino functional silane. It is used as a functional filler either on its own or combined with extenders or matting agents. An optimum effect will be obtained in polar elastomer...view more
AKTIFIT AM is an activated SILFIT Z 91, produced by modifying the surface with amino functional silane. It is used as a functional filler either on its own or combined with extenders or matting agents. An optimum effect will be obtained in polar elastomers in combination with sulfur or sulfur donor, amine or bisphenolic crosslinking systems. This product can be used whenever high tensile strength and high modulus, combined with a very low tensile and compression set, are as important as excellent processing and extrusion properties. view less
SILLIKOLLOID P 87 is a natural combination of corpuscular Neuburg Silica and lamellar kaolinte. Used as a functional filler either on its own or combined with other extenders or flatting agents.
AKTIFIT PF 115 is an activated SILFIT Z 91, produced by modifying the surface with a special amino functional silane. The by-products split off during the treatment reac-tion are largely removed during the production process which firmly at-taches the sil...view more
AKTIFIT PF 115 is an activated SILFIT Z 91, produced by modifying the surface with a special amino functional silane. The by-products split off during the treatment reac-tion are largely removed during the production process which firmly at-taches the silane to the filler sur-face. This helps minimize undesira-ble side effects, as they are poten-tially encountered with in situ mix-ing (direct addition of silane to the compound). view less
AKTISIL AM is an activated SILLITIN Z 86, produced by modifying the surface with amino functional silane. Used as a functional filler either on its own or combined with extenders or flatting agents.
AKTISIL PF 777 is an activated SILLITIN Z 86, produced by modifying the surface with alkyl silane. Used as a functional filler alone by itself, or in combination with rheological additives and/or flatting agents.
AKTIFIT PF 111 is a calcined product, treated with alkyl silane. It is recommended for electrophoretic coatings, corrosion protection coatings, plastic primers, and interior dispersion paints.
SILLITIN Z 86 is a natural combination of corpuscular Neuburg Silica and lamellar kaolinite. Used as a functional filler either on its own or combined with extenders or flatting agents.
SILLITIN Z 89 PURISS is a natural combination of corpuscular Neuburg Silica and lamellar kaolinite. Used as functional a filler either on its own or combined with extenders or flatting agents.
SILLITIN Z 89 is a natural combination of corpuscular Neuburg Silica and lamellar kaolinite. Used as functional a filler either on its own or combined with extenders or flatting agents.
AKTISIL MAM is an activated SILLITIN V 88, produced by modifying the surface with 3-methacryloxypropyl-trimethoxy silane. Can be used as a functional filler either on its own or combined with extenders or flatting agents.
SILLITIN V 88 is a natural combination of corpuscular Neuburg Silica and lamellar kaolinite. Used as a functional filler either on its own or combined with extenders or flatting agents.
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