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Silfit - Fillers - Hoffmann Mineral GmbH

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A search for "Silfit" in Material Data Center leads to the following information:

Tradename: Silfit
Family: Fillers
Producer: Hoffmann Mineral GmbH
2 hits in the literature database


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Kunststoffe international, 2011-02-21, Better Filling of Polyamides
...s presented as a functional filler for thermoplastics – preferably polyamides. The aim is to improve the property profile, specifically the flow and mechanical properties, of polyamide 66 using Aktifit AM compared to typical competitor fillers. Silfit Z 91 is used as an example of a non-surface-treated filler grade. Fillers and Property Data Silfit Z 91 is a naturally occurring mixture of amorphous and cryptocrystalline silica and lamellar kaolinite that has been thermally treated. Aktifit AM is...

Kunststoffe international, 2014-08-19, Making Sure that Nothing Blocks
...liceous earth as an antiblock additive in PET films, three synthetic silicas – which are recommended for PET films – were used: a pyrogenic type, a highly porous precipitated silica (silica gel type), and another precipitated silica.Calcined Silfit Z 91 was selected from the range of Neuburg siliceous earth products, because its morphology and mineralogical composition with natural silica as main constituent makes it suitable for use as an antiblock additive. Due to the lower BET surface area (c...


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