Fumed Silica 451

Our fumed silica 451 is a sub micron material designed to be used as a filler in a variety of products..  

Typical Analysis: 

SiO2                                                     99.99%

Al2O3                                                                   0.000081%

Fe2O3                                                                       0.00027%

Na2O                                                   0.0051%

CaO                                                     0.0010%

K2O                                                     <0.001%

MgO                                                    0.00015%

Cl                                                         <0.01%

F                                                          <0.01%                                                              

 *Determined by difference

Chemistry analyzed by ICP-OEC: Cl & F determined by electrode

 Typical Sizing:

d10                         0.028          microns

d50                         0.059          microns

d90                         0.17            microns

Physical Properties:

100% finer than 0.53   microns 

Morphology:                 Spherical

PH                               6.63

BET surface Area         10.243 m²/g

LOI                              0.29% @ 1000º c for 1 hour

Moisture                       0.06%

X Ray form                  Amorphous

Appearance                  Fine white powder

Refractive index            1.54