Raw material for producing basalt fibers

US9073780B2 · kind B2 · utility

Assignee

• ASA.TEC GmbH · AT

Inventors

• Thomas Schinkinger · Eferding, AT
• Anton Mayer · Niedernhausen, DE

Key dates

• Filing date: Dec 21, 2011
• Grant date: Jul 7, 2015
• Expiry date: Apr 27, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03C1/026
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a raw material charge for a melt for producing continuous mineral fibers, containing 30% to 70% basalt and/or diabase, 8% to 40% quartz components, in particular quartz sand, and 5% to 30% slag, in particular blast furnace slag, the use thereof and a method of producing continuous mineral fibers from a melt, the melt being formed from raw material comprising 30% to 70% basalt and/or diabase, 8% to 40% quartz components, in particular quartz sand, and 5% to 30% slag, in particular blast furnace slag.