Zandosil

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:

Purity

High purity

Chemical Stability

Good chemical stability

Thermal insulation

High thermal stability and insulation 

Good flow properties

Good flow properties

High loadings possible

High loadings possible

Easy handling

Easy handling

Pyrogenic silica powder

Powder

ZANDOSIL® powder products are available with a BET-surface between 30 - 50 m²/g.

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

Products:
ZANDOSIL® 30
ZANDOSIL® 30P
ZANDOSIL® 50

Granulate

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

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® S50
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 ZANDOSIL® 50
Silicon dioxide content
(wt. %)
> 99.99 > 99.999 > 99.99
Bulk density
(g/l)
200 200 100
Particle size D50
(μm)
9 9 9
Primary particle size
(nm)
100 100 50
BET-surface area
(m2/g)
30 30 50
pH of substance dispersed in water (4 %) 4.8 4.8 3.8

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® S50 ZANDOSIL® S63
Silicon dioxide content
(wt. %)
> 99.999 > 99.999 > 99.999
Viscosity at 100s-1
(mPa*s)
5 45 /
Solid content
(wt. %)
20 50 63
Particle size D50
(μm)
/ / /
BET-surface area
(m2/g)
30 30 30
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