Wacker HDK® H2000 Silica

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Wacker HDK® H2000 Silica
Categories:	Ceramic; Oxide; Silicon Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis. Special features: White colloidal powder of high purity. Application: HDK® H2000 is applied as a reinforcing filler in elastomers, mainly silicone-elastomers. HDK® H2000 is used as a free flow additive in the production of technical powders and as additive in antifoam agents. Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Bulk Density	0.100 - 0.250 g/cc	tamped; DIN EN ISO 787-11
Density	2.20 g/cc	DIN 51757
pH	6.5 - 8.0	4% dispersion; DIN EN ISO 787-9
Specific Surface Area	200 m²/g	Hydrophobic Silica
Evaporation Loss	<= 0.60 % @Temperature 105 °C, Time 7200 sec	DIN EN ISO 787-2

Component Elements Properties	Original Value	Comments
Carbon, C	2.3 - 3.2 %	DIN ISO 10694

Descriptive Properties
Content (%)	25	Residual silanol

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PWACK9346 / 204875

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