HDK® H16

Synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis

  • INCI Silica Dimethyl Silylate


White colloidal powder of high purity


All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product's fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence. This disclaimer of warranty and liability also applies particularly in foreign countries with respect to third parties' rights.

HDK® H16 is applied as a thickening and thixotropic agent in composites, coatings, adhesives and sealants, especially in vinylester, epoxy and polyurethane systems.

HDK® H16 is not suitable for pharmaceuticals, food and feed.

A good dispersion of HDK® H16 is a must to assure optimum performance.
More detailed information about the application and processing of HDK® H16 is available in our HDK-brochures and on the WACKER web site.


HDK® H16 is offered in following packaging:

  • pallet with paper bags: 10 kg bags


The 'Best use before end' date of each batch is shown on the shipping label and the certificate of analysis.
HDK® H16 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.

Sales and support

Wacker Chemical Corporation
3301 Sutton Road
Adrian, MI 49221-9397
United States
+1  888  922-5374 (Phone)

How can we help you?

  • Do you need help in choosing a product or do you require technical support? If so, please contact our experts.
Ask a question

Would you like a product sample?

You can request a product sample here.

Request sample


WACKER has a global network of specialist distributors at its disposal. Please select an application so that we can suggest suitable contacts.

Brenntag North America
1 Cragwood Road Suite 302
812021 South Plainfield
1  6109266100 (Phone)
1 6109163782  (Fax)
Contact distributor Website

More products

Products Technical data
BET surface
HDK® H13L approx. 110 m²/g[1] approx. 110 m²/g[1]
HDK® H15 approx. 120 m²/g[1] approx. 120 m²/g[1]
HDK® H16 approx. 120 m²/g[1] approx. 120 m²/g[1]
HDK® H18 approx. 120 m²/g[1] approx. 120 m²/g[1]
HDK® H20 approx. 170 m²/g[1] approx. 170 m²/g[1]
HDK® H2000 approx. 200 m²/g[2] -
HDK® H20RH 170 - 230 m²/g[2] -
HDK® H21 170 - 230 m²/g[3] -
HDK® T30 270 - 330 m²/g[4] -
HDK® T30PLUS 270 - 330 m²/g[4] -
HDK® T40 360 - 440 m²/g[4] -
HDK® V15 130 - 170 m²/g[4] -
[1] BET surface | DIN ISO 9277 DIN 66132 | of the hydrophobic silica,  [2] BET surface | DIN ISO 9277 DIN 66132 | area of hydrophilic silica,  [3] BET surface | DIN ISO 9277 DIN 66132 | of the hydrophilic silica,  [4] BET surface | DIN ISO 9277 DIN 66132 


My media

My favorites

My products