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HDK® N20D

Synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis. Standard product for industrial applications.

  • INCI Silica

Eigenschaften

White colloidal powder of high purity.

HDK® N20D is applied as a thickening and thixotropic agent in many organic systems, e.g. in unsaturated polyesters, coatings, printing inks, adhesives, cosmetics and others.
HDK® N20D in comparison to non densified HDK® N20 provides an increased bulk density, a faster incorporation, but a slightly reduced thickening activity.

HDK® N20D is not suitable for pharmaceuticals, food and feed.


A good dispersion of HDK® N20D is a must to assure optimum performance.

More detailed information about the application and processing of HDK® N20D is available in our HDK-brochures and on the WACKER web site.
 

Verpackung / Gebinde

HDK® N20D is offered in following packaging:

  • pallet with paper bags: 15 kg bags
  • Big bags: 220 kg (big bags on pallets) 
  • Silotruck: depending on size of truck, approx. 3.5 to 5 tons

Lagerung

The 'Best use before end' date of each batch is shown on the shipping label and the certificate of analysis.

HDK® N20D should be stored in the original packaging in dry storage areas. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons. Due to the high surface area HDK® adsorbs volatiles and should be protected from humidity and volatiles. If single bags are taken away from an original pallet, the remaining bags of this pallet must again be protected against humidity and volatiles.

Vertrieb & Support

Wacker Chemie AG
Heilbronner Strasse 74
70191 Stuttgart
Deutschland
+49  711  61942-0 (Phone)
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Mehr Produkte

Produkte Technische Daten
BET-Oberfläche
HDK® H15 约 120 m²/g[1] 约 120 m²/g[1]
HDK® H18 约 120 m²/g[1] 约 120 m²/g[1]
HDK® H20 约 170 m²/g[1] 约 170 m²/g[1]
HDK® H2000 约 200 m²/g[2] 约 200 m²/g[2]
HDK® H30 约 250 m²/g[1] 约 250 m²/g[1]
HDK® N20 175 - 225 m²/g[3] 175 - 225 m²/g[3]
HDK® N20D 175 - 225 m²/g[3] 175 - 225 m²/g[3]
HDK® N20PLUS 175 - 225 m²/g[3] 175 - 225 m²/g[3]
HDK® T30 270 - 330 m²/g[3] 270 - 330 m²/g[3]
HDK® T30PLUS 270 - 330 m²/g[3] 270 - 330 m²/g[3]
Legend
[1] BET-Oberfläche | DIN ISO 9277 DIN 66132 | der hydrophoben Kieselsäure,  [2] BET-Oberfläche | DIN ISO 9277 DIN 66132 | der hydrophilen Kieselsäure,  [3] BET-Oberfläche | DIN ISO 9277 DIN 66132 

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Vertriebskontakt

Wacker Chemicals (China) Co.,Ltd.
Caohejing Hi-Tech Park
200233 Shanghai
+86  21  6130-2000 (Phone)

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