Synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis.


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® H30RY is used as functional active filler in coatings, adhesives and sealants.

HDK® H30RY is not suitable for pharmaceuticals, food and feed.

A good dispersion of HDK® H30RY is a must to assure optimum performance.

More detailed information about the application and processing of HDK® H30RY is available in our HDK-brochures and on the WACKER web site.



HDK® H30RY is offered in following packaging:

  • pallet with paper bags: 5 kg bags


The 'Best use before end' date of each batch is shown on the shipping label and the certificate of analysis. HDK® H30RY 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 49221-9397
United States
+1  888  922-5374 (Phone)
+1 517 264-8246  (Fax)

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