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MICA EXPANSE [3 records]

Record 1 2016-09-23

English

Subject field(s)
  • Natural Construction Materials
  • Thermal Insulation
  • Concrete Preparation and Mixing
DEF

[An] insulation material that results from expanding or exfoliating a natural micaceous mineral by heating.

CONT

Exfoliated vermiculite. The exfoliation process is carried out commercially by passing crude vermiculite through a furnace chamber in a controlled manner. The crude vermiculite then expands at right angles to the cleavage planes, producing concertina-shaped particles many times their original volume.

OBS

exfoliated vermiculite; vermiculite: terms and definition standardized by ISO.

French

Domaine(s)
  • Matériaux de construction naturels
  • Isolation thermique
  • Fabrication du béton
DEF

Matériau isolant résultant de l'expansion ou de l'exfoliation à chaud d'un minerai naturel de mica.

CONT

Vermiculite exfoliée. Le procédé d'exfoliation est réalisé commercialement en faisant passer, d'une manière contrôlée, la vermiculite brute dans la chambre d'un four. Sous l'effet de la chaleur, la vermiculite se dilate à angle droit par rapport aux plans de clivage, produisant des particules en forme d'accordéon d'un volume égal à plusieurs fois leur volume original.

OBS

vermiculite exfoliée; vermiculite : termes et définition normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Materiales de construcción naturales
  • Aislamiento térmico
  • Fabricación del hormigón
Save record 1

Record 2 2011-11-21

English

Subject field(s)
  • Building Insulation and Acoustical Design
  • Thermal Insulation
CONT

I am 90% complete with an 8'x8' outdoor sauna. It's really a garden shed with an old wood burner in it. It's cedar-lined with very little insulation. I put about 3" of loose vermiculite in the ceiling and stapled an aluminum vapor barrier in the walls ... I did put in double panes to help keep heat in.

CONT

The tandoor liner is surrounded by six cubic feet of loose vermiculite insulation. This was bought from a builders' merchant as two bags, each three cubic feet.

OBS

loose vermiculite: term officially approved by the Lexicon Project Committee (New Brunswick).

Key term(s)
  • loose fill vermiculite

French

Domaine(s)
  • Isolation et acoustique architecturale
  • Isolation thermique
OBS

La vermiculite est un minéral (mica) qui a été expansé (comme le maïs soufflé) pour devenir un isolant granulaire léger. Il peut être versé dans des endroits très restreints (blocs de béton).

OBS

Le seul isolant en vrac, à notre connaissance, utilisable dans ces cas est du mica expansé, appelé aussi vermiculite.

OBS

vermiculite en vrac : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Save record 2

Record 3 1998-01-29

English

Subject field(s)
  • Mineral Processing (Metallurgy)

French

Domaine(s)
  • Minéralurgie (Métallurgie)

Spanish

Save record 3

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