How is rock wool produced?

This thing looks like an old cotton quilt that has been covered for over 30 years. It is actually rock wool, although its texture is as soft as cotton, it is made of stone.

Rock wool insulation Advantages, types and thicknesses

China Low Price Rock Wool Roll With Aluminum Foil Manufacturers, Suppliers, Factory - Made in China - FANRYN

Indoor Rock Wool Board, Rock Wool Insulation Board For Ship

Jignesh Lukhi posted on LinkedIn

Rock wool production line between the melting furnace and the primary

How is rock wool produced？

CHINA IKING INDUSTRIAL GROUP CO., LTD

Rock wool, glass wool, hemp - which material is best suited for absorbers? — Jochen Schulz

Mineral Wool