C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/20
C03C 13/06 (2006.01) C03C 13/00 (2006.01) E04B 1/78 (2006.01) E04B 1/80 (2006.01) E04C 2/16 (2006.01) E04D 3/35 (2006.01) F16L 59/02 (2006.01)
Patent
CA 2301231
Pipe sections for external roof or wall cladding are formed of bonded man-made vitreous fibre batts wherein the fibres have a viscosity at 1400 ~C of 10 to 170 poise and a dissolution rate at pH 4.5 of at least 20 nm per day.
La présente invention concerne des segments de tuyau ou des revêtements externes pour toiture ou mur, formés de nattes isolantes liées, à fibres vitreuses synthétiques. Ces fibres présentent une viscosité de 10 à 170 poises à 1400 ·C et une vitesse de dissolution d'au moins 20 nm par jour sous un pH de 4,5.
Guldberg Marianne
Jensen Soren Lund
Gowling Lafleur Henderson Llp
Rockwool International A/s
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