What is pyrogenic silica

Pyrogenic silica, also known as fumed silica manufactured in a flame pyrolysis process, is a thickening and anti-caking agent capable of enhancing the performance, handling and stability of formulations during all aspects of the manufacturing process. The three-dimensional of pyrogenic silica, or fumed silica, induces viscosity-increasing thixotropic behavior when utilized as a thickening agent or reinforcing filler.

  • Synonyms: Colloidal Silica, Fumed Silica, HDK, Hydrophilic Fumed Silica, Pyrogenic Silica, Silica Fumed, Silicon Dioxide, Synthetic Amorphous Pyrogenic Silica
  • INCI: Silica
  • Chemical formula: SiO2
  • CAS # 7631-86-9

BUY VARIOUS GRADES OF PYROGENIC SILICA

PRODUCT SPECIFICATIONS

Characteristics
AppearanceWhite Powder
OdorOdorless
SolubilitiesSlightly soluble in water
Freezing point1700oC (3092oF)
Molecular weight60.08 g/mol
Weight per gallon9.7 lb/gal
ClassFumed Silica, Hydrophilic Fumed Silica
GradesTechnical

Uses and application for pyrogenic silica

Pyrogenic silica uses include adhesives & cements, cosmetics, food additive, free flow agent, gel coats, ink, paint & coatings, pharmaceuticals, polyester resins, pvc cement, sealants, silicone rubber, thixotropic agent, unsaturated polyester resin,

  • Personal Care: It is used as an abrasive in scrubs, an absorbent powder, anticaking agent, bulking agent, opacifying agent, and suspending agent.
  • Food Industry: It serves as an anticaking agent to avoid clumping. In supplements, it's used to prevent the various powdered ingredients from sticking together.
  • Coatings and paints:: It is desirable for its chemical inertness which allows for good acid, chemical, and heat resistance. Along with its chemical inertness silica's hardness improves abrasion resistance in paints.
  • Others: It is used as anti-setting thickening and anti-sagging agent. It is most efficient in non-polar to medium polarity systems.

QUICK ANSWERS

Pyrogenic silica, also known as fumed silica manufactured in a flame pyrolysis process, is a thickening and anti-caking agent capable of enhancing the performance, handling and stability of formulations during all aspects of the manufacturing process.

As a leading pyrogenic silica distributor in the United States and throughout North America, you can trust Brenntag to supply a high-quality product backed by a host of valuable business services.

When you select Brenntag North America, you get a one-stop-shop pyrogenic silica distributor featuring best-in-class products and services. Based in Reading, PA, we have more than 190 locations throughout North America, which enables us to provide the localized service your company needs to meet its chemical manufacturing requirements.

You can count on Brenntag for custom blending to ensure the product meets your exact specifications, packaging and repackaging services, formulation assistance and just-in-time delivery to help keep your inventory costs under control.

Pyrogenic silica is available in bags of 10 lb quantities.

You can download a copy of the SDS for pyrogenic silica from Brenntag Connect.

Download the SDS now.

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