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4. Reflective insulations
4.1 Reflective films
To increase the efficiency of insulation systems, low-emissivity (ε " 0.1) reflective films are sometimes used as surface coatings for walls or insulation.
At the wall-air interface, heat transfer by natural convection and radiation is expressed by the relationship :
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Reflective insulations
Economic data
The thermal insulation market
The total volume of the thermal insulation market is around 17 million cubic meters per year.
Table 1 shows the breakdown by product family as a percentage of total volume.
References
Specialized organizations and laboratories
(non-exhaustive list)
ACERMI - Association pour la certification des matériaux Isolants, Paris.
AFNOR - Association Française de Normalisation.
CEN - Comité européen de Normalisation. Comité Technique TC88 : Matériaux et produits isolants thermiques.
CFI - Comité français de l'Isolation, Paris....
Standardization and certification
Standardization
The standards can be consulted on the following websites:
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