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1. (WO2001081259) GLASS FIBER WITH IMPROVED BIOLOGICAL DEGRADABILITY

Pub. No.:    WO/2001/081259    International Application No.:    PCT/EP2001/004678
Publication Date: Nov 1, 2001 International Filing Date: Apr 25, 2001
IPC: C03C 13/00
Applicants: PFLEIDERER DÄMMSTOFFTECHNIK INTERNATIONAL GMBH & CO. KG
EHRHARDT, Eberhardt
MATTHAI, Annegret
RÜSSEL, Christian
WANGE, Peter
Inventors: EHRHARDT, Eberhardt
MATTHAI, Annegret
RÜSSEL, Christian
WANGE, Peter
Title: GLASS FIBER WITH IMPROVED BIOLOGICAL DEGRADABILITY
Abstract:
The invention relates to a biodegradable glass fiber with sufficient solidity, resistance to humidity and good processing properties, which can be used damping and insulation purposes. Said glass fiber contains 58 to 60 % by weight SIO2; 15 to 20 % by weight Na2O; 0 to 3 % by weight K2O; 2 to 4.5 % by weight MgO; 5 to 9 % by weight CaO; 7 to 9 % by weight B2O3; 1.1 to 2.5 % by weight Al2O3; 0 to 0.5 % by weight SO42-and 0 to 1 % by weight of other components in relation to the mass of said fiber.