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20 nm SiO2, 50% aqueousThere is 1 product.

 20 nm SiO2, 50% aqueous
SiO2 - Nanoparticles, 20 nm, 50% aqueous suspension
Primary particle average size: ca.20 nm
Specific surface: ca. 140 m2/g
Density: ca. 1,4 g/cm3;
Purity of solid component: > 99.5%
Admixtures: Na ca. 0,25%

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