Evonik SIPERNAT D17 precipitated silica, hydrophobic silica, flow aid

Evonik SIPERNAT D17 is a hydrophobic (non-wettable) silica also used in defoamers. Its primary application is as an anti-caking agent. It is particularly well-suited for water-sensitive powders, while also improving powder flowability and storage stability. It is also commonly used as a rubber reinforcing agent and defoamer.

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BASF
BYK
Cabot
Dow
Equipment
Evonik
Other

Evonik SIPERNAT D17 Parameters:
Surface Area: 100 m²/g
Average Particle Size (D50): 10 μm
Pound Density: 150 g/L
Loss on Drying: 4%
Loss on Ignition: 7%
pH: 8
DBP Absorption: 195
SiO₂ Content: 98%
Residue on 45 μm Sieve: 0.3%

Product Advantages:
Excellent flow and dispersion properties
Anti-caking Hydrophobic silica

Package: 1kg 、15kg