C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 13/06 (2006.01) C03B 37/04 (2006.01) E04B 1/74 (2006.01)
Patent
CA 2524295
The invention relates to a mineral fibre-based heat- and/or sound-insulting product which is produced by means of internal centrifuging and drawing using a gas stream at a high temperature, and creping. The invention is characterised in that: the product does not contain devitrified and/or fibre particles; the length of the fibres is at most equal to 2 cm and, preferably, less than 1.5 cm; and the fibres have a micronaire of less than or equal to 4 in 5 grams and, in particular, between 2.5 and 4 in 5 grams, or a micronaire of less than or equal to 18 l/mn, in particular between 11 and 15 l/mn and, more particularly, of the order of 12 to 13 l/mn.
Produit d'isolation thermique et/ou phonique à base de fibres minérales obtenu par centrifugation interne et étirage par un courant gazeux à haute température et par crêpage, caractérisé en ce qu'il ne contient pas de particules dévitrifiées et/ou infibrées, la longueur des fibres est au plus égale à 2 cm, de préférence inférieure à 1,5 cm, et les fibres présentent un micronaire inférieur ou égal à 4 sous 5 grammes, notamment compris entre 2,5 et 4 sous 5 grammes, ou un micronaire inférieur ou égal à 18 I/mn, notamment compris entre 11 et 15 I/mn, en particulier de l'ordre de 12 à 13 I/mn.
Guyot Daniel
Maricourt Jean-Pierre
Goudreau Gage Dubuc
Saint-Gobain Isover
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