Title: Alkali resistant, synthetic, mineral fibres

Abstract: Alkali resistant, synthetic, mineral fibres having the following composition on weight basis: SiO.sub.2 : 42-50%, Al.sub.2 O.sub.3 : 8-13%, Iron oxides (calculated as FeO): 6-11%, CaO: 4-11%, MgO: 17-22%, TiO.sub.2 : 0.5-3% and alkali metal oxides: 0.5-3.5%.

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Inventors: Mogensen, Gurli (Bjaeverskov, DK)
Jensen, Leif M. (Roskilde, DK)

Application Number: 974005
Filing Date: 1978-12-28
Publication_date: 1980-06-03
Assignee: Rockwool International A/S (DK)
Primary Class(es): 501/36 106/711, 501/70
Other Classes:
US Patent Ref:

3929497	Dec, 1975	Clark-Monks	106/50.
4002482	Jan, 1977	Coenen	106/99.
4008094	Feb, 1977	Beall et al.	106/99.

Other Refs:
Primary Examiner: Poer, James
Assistant Examiner:
Attorney: Watson, Cole, Grindle & Watson