Patent ID: 8697588
Filing Date: 2014-04-15
Classification: C03B,C03C,Y02P

Abstract:
1. A mineral wool comprising: recycled material, wherein an acid-to-base ratio of said mineral wool is defined as and said mineral wool has the acid-to-base ratio from about 1.0 to about 1.5 by weight; and wherein SiO 2 is in the range from 36% to 44% by weight, Al 2 O 3 is in the range from 8.0% to 14% by weight, MgO is the range from 4% to 13% by weight and CaO is in the range from 32% to 44% by weight; and wherein said mineral wool is made of fibers with a diameter from 4.5 to 5.6 microns.