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Heraeus ZANDOSIL® - experience pyrogenic silica in new dimensions

Pyrogenic silica of high purity is used in various applications as raw material or as functional additive to optimize product properties. Heraeus ZANDOSIL® is a high purity silica available in different product solutions: Powder, Granulate and Dispersion.

As a product of our clean-room manufacturing processes, ZANDOSIL® is a synthetic, amorphous silica with highest purity.

Our standard packaging units are Big Bags of 1 m³ and 2 m³ size, drums and intermediate bulk containers (IBCs). Further packaging options are available on request.

Heraeus ZANDOSIL® can be used in various applications providing smart answers to your challenges.
Benefits are:

High purity

Good chemical stability

High thermal stability and insulation 

Good flow properties

High loadings possible

Easy handling

Powder

ZANDOSIL® powder products are available with a BET-surface of 30 m²/g.

The purity of our powder material ranges from 99.99 % to 99.999 %.

Products:
ZANDOSIL® 30
ZANDOSIL® 30P

Granulate

ZANDOSIL® granulate can be obtained with a D50 between 50 and 250 µm.

The purity of our granulated material is above 99.999 %.

Products:
ZANDOSIL® G220

Dispersion

ZANDOSIL® is available as water based dispersion. The solid content can be tailored depending on your requirements from 20 % to 60 %.

The purity of our dispersed material is above 99.999 %.

Products:
ZANDOSIL® S20
ZANDOSIL® S63

ZANDOSIL® is used in various industries and applications as raw material or as functional additive.

Possible applications are:

  • Adhesives and Sealants
  • Building Materials
  • Ceramics
  • Chemical Mechanical Planarization (CMP)
  • Paints and Coatings
  • Personal Care
  • Polishing
  • Thermal Insulation
  • Thermoplastics

Your pyrogenic silica experts will help you find the best solution for your application.

Powder

ZANDOSIL® 30 ZANDOSIL® 30P
Silicon dioxide content
(wt. %)
> 99.99 > 99.999
Bulk density
(g/l)
200 200
Particle size D50
(μm)
9 9
Primary particle size
(nm)
100 100
BET-surface area
(m2/g)
30 30
pH of substance dispersed in water (4 %) 4.8 4.8

Granulate

ZANDOSIL® G220
Silicon dioxide content
(wt. %)
> 99.999
Bulk density
(g/l)
800
Particle size D50
(μm)
200-250
BET-surface area
(m2/g)
30
pH of substance dispersed in water (4 %) 4.8

Dispersion

ZANDOSIL® S20 ZANDOSIL® S63
Silicon dioxide content
(wt. %)
> 99.999 > 99.999
Viscosity at 100s-1
(mPa*s)
5 /
Solid content
(wt. %)
20 63
Particle size D50
(μm)
/ /
BET-surface area
(m2/g)
30 30