Silica microspheres and nanospheres are composed of synthetic amorphous silica made in a laboratory batch environment. Silica microspheres are inherently hydrophillic and negatively charged. Additional advantage of silica microspheres is glass transition temperature of over 1000 degrees Celsius, which makes them suitable for high temperature applications. These particles provide higher opacity than glass microspheres and are often used as contrast particles.

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Monodisperse Silica Microspheres - Spherical Silica Beads
Item #: SiO2MS -
Price: $202.07-$331.66
Item #: SiO2MS - View

Silica spheres are manufactured using proprietary technologies which allow the essential properties of amorphous silica to be maintained while simultaneously achieving controlled spherical shape and... [more info...]