The manufacture of sag-resistant, lightweight structural mineral panels on a foraminous support wire is accomplished by forming a dilute aqueous dispersion of mineral fiber and/or aggregate and an anionically stabilized latex binder, coupling the binder solids onto the mineral fiber materials by adding...http://www.google.com.au/patents/US5250153?utm_source=gb-gplus-sharePatent US5250153 - Method for manufacturing a mineral wool panel
