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| Wacker HDK H15 |
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| Fumed silica |
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| 112945-52-5 |
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WACKER HDK H 15 Fumed Silica is a hydrophobic fumed silica formed by a chemical reaction of hydrophilic WACKER HDKÆÊ with organosilanes. Hydrophilic fumed silica is produced by flame hydroloysis of volatile silicon compounds. H 15 is a pure, x-ray amorphous silicon dioxide (SiO2).
* Free-flow agent especially for moisture sensitive substances(e.g.,peroxides, pigments, PPC-toners)
* Reinforcing filler and thichening agent for RTV-1 silicone sealants, polysulfides, polyurethanes, and acrylates
* Antisettling agent in zinc-rich paints and printing inks |
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Surface area,m2/g : 120¡Ó20
SiO2-Content, (Dried for 2 hr/1000'C),% : >99.8
Tamped Bulk density, /l : ca. 40
Moisture, %, 2 hr/105'C (Material when leaving the plant site) : <0.6
Loss on Ignition, %, 2 hr/1000'C(Dried for 2 hr/105'C) : <2.0
pH-Value(4% dispersion in water) : 4.0-4.8
Sieve residue, >40microm : <0.05
HCI-Content (Dried for 2 hr/1000'C) : <0.02
Al2O3-Content (Dried for 2 hr/1000'C) : <0.05
Fe2O3-Content (Dried for 2 hr/1000'C) : <0.005
TiO2-Content (Dried for 2 hr/1000'C) : <0.003
C-Content (Dried for 2 hr/105'C) : <2.0 |
| Industrial field |
additive, paint & coating, plastic, polymer, resin, monomer, polyurethane(PU), rubber & additives |
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