Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik Sipernat D17 Hydrophobic Precipitation Silica

Evonik Sipernat D17 is a hydrophobic precipitated silica imported from Germany, produced by Evonik. It is specially designed for moisture-sensitive powders, silicone rubber and defoamer systems, with excellent hydrophobicity, anti-caking and reinforcement properties, greatly improving powder flowability and storage stability.

Features Of Evonik Sipernat D17 Precipitation Silica

  1. Strong hydrophobicity & moisture-proof - Hydrophobic surface, effectively resist moisture, suitable for moisture-sensitive powders

  2. Excellent anti-caking performance - Greatly improve powder flowability, extend shelf life, optimize processing

  3. High-efficiency silicone rubber reinforcement - Active filler in HTV/RTV/LSR, improve mechanical strength

  4. Stable defoaming & antifoaming - Fast bubble breaking, suitable for various industrial defoamers

  5. High purity & chemical inertness - 98% SiO₂, good compatibility, no negative effect on formulation

Typical Applications Of Evonik Sipernat D17 Precipitation Silica

  1. Moisture-sensitive chemical powders - Anti-caking & flow aid, improve storage & processing

  2. HTV/RTV/LSR silicone rubber - Active reinforcing filler, enhance strength, wear & resilience

  3. Industrial defoamer formulations - Fast defoaming for coatings, textiles, fermentation, cleaning

  4. Fire-fighting powders & special powders - Anti-caking, improve flowability, ensure performance

  5. Plastic powders & foundry masking powders - Suitable for CPE and resin casting processes

Specifications Of Evonik Sipernat D17 Precipitation Silica

BrandSipernat (Evonik Germany)
Product TypeHydrophobic Precipitated Silica
AppearanceWhite Powder
Specific Surface Area (N₂)100 m²/g
Average Particle Size D5010 μm
Tapped Density150 g/L
Loss on Drying4.0 wt%
Loss on Ignition7.0 wt%
pH Value8.0


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *