fused quartz

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fused quartz

[′fyüzd ′kwȯrts]
(materials)
A glasslike insulating material made by melting crushed crystals of natural quartz or a certain type of quartz sand.
References in periodicals archive ?
Global fumed silica sales are likely to surpass 335,000 MT in 2018, up from 323,733 MT in 2017, according to a new Fact.MR study.
Specialty silicas analyzed in this study include precipitated silica, fumed silica (or pyrogenic silica), silica gel and colloidal silica (or silica sol).
Evonik has started up on schedule its new plant complex in Antwerp for production of fumed silica. With this, the specialty chemicals company can now serve the high demand for fumed silicas marketed under the AEROSIL[R] brand.
Untreated fumed silica has an isoelectric point around pH 2.5 and should therefore be anionically charged in typical coating formulations (pH 3-9).
The investment will expand the company's annual capacity for hydrophilic fumed silica at the existing Rheinfelden site by 20% to meet heavy market demand.
Here I report on the feeding deterrent and toxic effects of potential barrier materials (diatomaceous earth, hydrated lime, sulfur, fumed silica, wood ash) and 2 commercially available essential oil-based products reputed to possess repellent properties.
Generally inorganic reinforcing filler such as fumed silica and carbon black are used to improve the mechanical properties of PDMS.
Cabot Corporation has announced plans to build a fumed silica plant in Carrollton, KY.
Fumed Silica (Average particle diameter: 12 nm, purity > 99.8%, specific surface area: 200m2/g, MP: 1610C, specific gravity: 2.2) was used as received.
A new type of nanocomposite proton exchanging polymeric membranes based on polyvinyl alcohol and fumed silica nanoparticles attached to the hydrophilic polymer was produced through aqueous solution casting method to develop novel methods in the production of high temperature membranes.
By product type, the market is segmented into precipitated silica, colloidal silica, fumed silica, fused silica and silica gel.