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Vermiculite

Flavoring vermiculite

Author:Sophia Date:2010年10月18日 Source:internet Views:

Core tips:Flavoring Vermiculite is a natural, non-toxic mineral, expands under high temperature minerals. It is a relatively rare mineral, is Portland. The crystal structure of the monoclinic system, from the shape it looks like mica.

Flavoring vermiculiteFlavoring Vermiculite is a natural, non-toxic mineral, expands under high temperature minerals. It is a relatively rare mineral, is Portland. The crystal structure of the monoclinic system, from the shape it looks like mica. Vermiculite is a certain degree of hydration generated when the granite. It is usually produced with asbestos at the same time. Since vermiculite has ion exchange capacity, soil nutrients it has great effect. In 2000 the world total output of more than 500,000 tons of vermiculite. The main producing countries are China, South Africa, Australia, Zimbabwe and the United States.

Vermiculite is a flavor similar to clay minerals and montmorillonite, silicate layered structure. Generally biotite weathering by hydrothermal alteration or become. It sometimes looks like coarse biotite occurs (this is the illusion of vermiculite and biotite), and sometimes have to be a soil-like subtle. The vermiculite is heated to 300 ℃, it can expand 20-fold and bend. This time, a bit like a leech vermiculite (commonly known as leech leech), so it has such a name. Vermiculite is generally brown, yellow, dark green, like oil sheen. Heated they become gray. Vermiculite can be used as building materials, absorbents, fire insulation materials, machinery lubricants, soil conditioner and so on.

Flavoring application areas of vermiculite and the main purposes:

Construction: lightweight materials lightweight concrete aggregate (powder light wall, light mortar).

Heat-resistant materials, wall materials, fireproof board, fire mortar, bricks.

Insulation, acoustic insulation materials, underground pipes, pipe insulation materials, greenhouse, indoor and tunnels built, the walls and ceilings of public places.

Metallurgy: steel coating materials, iron, casting slag coated steel frame high-rise building materials, bulk vermiculite.

Agriculture, forestry, garden: gardening golf course turf, seed preservatives, soil conditioning agents, wetting agents, plant growth agents, feed additives Ocean fishing catch erbium.

Flavoring vermiculite in other uses: sorbent, filter aid, the activity of chemicals and fertilizer carrier, sewage treatment, oil water adsorption, cigarette filters, explosive density regulator.

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