Natural Quartz

Spherical Yellow Quartz

Valli Spherical Yellow Quartz - Quarzo Sferico Giallo is an alluvial origin sand, naturally rounded and straw-yellow in colour, feldspar-free and with a high content of SiO2, being 99%.

The granule has a high resistance to heat (1500-1700°C), its hardness index on the Mohs scale is 7 and has a specific weight of 1500 kg per cubic meter.

Valli Spherical Yellow Quartz is intended for the use in the following fields: abrasives, aquariums, chemicals, paint factories, decorations, detergents, water treatment filters, foundries, bituminous coatings, sports facilities, cement mortars, concrete manufactures, flooring, swimming pools, prefabricated buildings, restorations, refractory materials, wall cladding, sandblasting, bathroom fixtures, sealants, glassworks, etc…

Valli Spherical Yellow Quartz is also available in the resin-coated type, giving the granulate a shiny effect and preventing the release of powders. It is possible to choose the type of resin: epoxy, polyurethane, for indoor or outdoor use.

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