Customization: | Available |
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CAS No.: | 112945-52-5 |
Formula: | Sio2 |
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HDK® N20
Pyrogenic Silica
Synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis. Standard product for industrial applications.
Type: Hydrophilic Fumed Silica
Brand:
Item NO: N20
Packing Specification: 10KG/Bag
Product Features:
• HDK® N20 is applied as a thickening and thixotropic agent in many organic systems, e.g. in unsaturated polyesters, coatings, printing inks, adhesives, cosmetics and others.
• HDK® N20 is used as a reinforcing filler in elastomers, mainly silicone-elastomers.
• HDK® N20 acts as a free flow additive in the production of technical powders.
• HDK® N20 is not suitable for pharmaceuticals, food and feed.
A good dispersion of HDK® N20 is a must to assure optimum performance.
Physical and Chemical Data | ||
BET surface | 175 - 225 m²/g | |
Tamped density | approx. 40 g/l | |
PH | 3.8 - 4.3 | |
Sieve residue | < 0.03 % | |
Loss on drying | < 1.5 % | |
Density | approx. 2.2 g/cm³ | |
INCI name | Silica | |
Loss of weight | < 2 % | |
Refraction index | 1.46 | |
SiO2 content | > 99.8 % | |
Silanol group density | 2 SiOH/nm² |
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