silica ratio

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• Silica fiber — Technology for Manufacturing Silica fiber.Water containing water glass fibers are disclosed, substantially free from non alkaline compounds and having a water content of from about 15 to 30% by weight, a tear strength of from about 5 to 30 cN/tex …   Wikipedia

• silica group — noun A large group of silicate minerals having a silicon to oxygen ratio of 1:2. This group includes many silicates of sodium, potassium, calcium, and aluminum in an open network structure …   Wiktionary

• All-silica fiber — Silica fiber or silicic acid fibres are produced from sodium silicate fibers in a dry spinning method, the sodium silicate fibres are free of non alkali metal compounds and have a mole Na2O : SiO2 ratio of 1 :3 to 1:9; the silicic acid fibres… …   Wikipedia

• Biogenic silica — (BSi) is the equivalent to the terms opal, biogenic opal, and amorphous opaline silica. BSi is essential to many plants and animals. Chemically, BSi is hydrated silica (SiO2• n H2O).Diatoms in both fresh and salt water extract silica from the… …   Wikipedia

• Water-cement ratio — is the ratio of weight of water to the weight of cement used in a concrete mix. It has an important influence on the quality of concrete produced. A lower water cement ratio leads to higher strength and durability, but may make the mix more… …   Wikipedia

• industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

• refractory — refractorily, adv. refractoriness, n. /ri frak teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or… …   Universalium

• Mineralizer — The purpose of a mineralizer is to facilitate the transport of insoluble “nutrient” to a seed crystal by means of a reversible chemical reaction. Overtime, the seed crystal accumulates the material that was once in the nutrient and grows.… …   Wikipedia

• Magma — For other uses, see Magma (disambiguation). Lava flow on Hawaii. Lava is the extrusive equivalent of magma. Magma (from Greek μάγμα paste ) is a mixture of molten rock, volatiles and solids[1] …   Wikipedia

• mullite — /mul uyt/, n. a rare clay mineral, aluminum silicate, Al6Si2O13, produced artificially during various melting and firing processes: used as a refractory. Also called porcelainite. [1924; after MULL, source of the rocks in which it was first… …   Universalium

• Anahim hotspot — The Anahim hotspot is a volcanic hotspot in central British Columbia, Canada. It is situated on the Interior Plateau, a large region that lies between the Cariboo and Monashee Mountains to the east, and the Hazelton Mountains, Coast Mountains and …   Wikipedia