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Rulon Bearings
Vitro Minerals HR-50 Recycled NanoSilica
Categories: Ceramic; Oxide; Silicon Oxide

Material Notes: Vitro Minerals’ HR-50 NanoSilica is a 100% recycled, fully X-ray amorphous silica, produced by a proprietary high temperature oxidative process. It is a white, submicron-sized powder of high purity and a surface area of 20-50 m2/g. The primary particles, sized between 60 and 300 nm (0.06-0.3 µm), are spherical and form loosely agglomerated micro-clusters up to about 3 µm. HR-50 NanoSilica exceeds the requirements of ASTM C1240 and is ideally suited for use as a high reactivity pozzolan in high performance concrete, grouts, overlays, fiber cement and related demanding applications, where high early/ultimate strength and excellent durability are required. The white color is also desirable for architectural concrete applications. In addition to its pozzolanic properties, it is also effective as a thickening and thixotropic rheology control agent in cementitious and polymer-containing formulations, It can also be used as a flow aid additive in the production of industrial mineral powders.

Information provided by Vitro Minerals.

Available Properties
  • Moisture Absorption at Equilibrium, ASMT C566, Free
  • Loss on Ignition(%), ASTM D7348
  • Na2O, ASTM C114
  • SiO2, ASTM C114
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