Vermiculite

Vermiculite

An aggregate similar to perlite that is used in lightweight roof decks and deck fills. It is formed from mica, a hydrous silicate with the ability of expanding on heating to form lightweight material with insulation quality. Used as bulk insulation and also as aggregate in insulating and acoustical plaster and in insulating concrete.

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Part of Speech: noun
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Industry/Domain: Building materials
Category: Concrete
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Related terms

vermiculite

Building materials; Concrete

An aggregate similar to perlite that is used in lightweight roof decks and deck fills. It is formed from mica, a hydrous silicate with the ability of expanding on heating to form ...

vermiculite

Biotechnology; Genetic engineering

Coarse aggregate material made from expanded mica having a high cation exchange capacity and high water-holding capacity and used as a rooting medium and a soil additive.

vermiculite

Food (other); Pizza

A popular, inexpensive, easy-to-find and efficient Insulator. A different product with similar qualities to Perlite.

vermiculite

Earth science; Soil science

A highly charged, averages about 159 cmolckg-1 for soil vermiculites but has a very wide range, layer silicate of the 2:1 type that is formed from mica. It is characterized by ...

vermiculite

Science; General science

A group of minerals common in some soils and clays and belonging to the family of minerals called layer silicates. Species within the vermiculite group are denoted as either ...

vermiculite

Garden; Gardening

A light-weight, mineral called mica that is added to potting mixtures to improve root growth via aeration and has moisture retaining abilities. There is no nutritive value in the ...

flatwork forms

Building materials; Concrete

Metal or wood forms used in concrete flatwork placement. These forms are typically used for edge forming, sidewalks, driveways, footings, industrial slabs, foundations, patios, ...

flatwork

Building materials; Concrete

Common word for concrete floors, driveways, basements, and sidewalks.

flash set

Building materials; Concrete

The rapid development of rigidity in a mixed Portland cement paste, mortar or concrete usually with the evolution of considerable heat, which rigidity cannot be dispelled nor can ...

fixed nose form

Building materials; Concrete

A metal concrete pouring form with a fixed nose piece to allow it to interlock with the rear section of another form creating a solid interconnection. Fixed nose forms must be ...

finishing

Building materials; Concrete

Leveling, smoothing, compacting, and otherwise treating surfaces of fresh or recently placed concrete to produce the desired appearance and service.

fineness modulus

Building materials; Concrete

An index of fineness or coarseness of an aggregate sample. An empirical factor determined by adding total percentages of an aggregate sample retained on each of a specified series ...