Patent ID: 11873943
Assignee: ROCKWOOL INTERNATIONAL A/S
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  C  E | IPC C  E  F

Claim 0:
1. A mineral wool product comprising mineral fibers bound by a binder resulting from a curing of a binder composition for mineral fibers, wherein the binder composition comprises:
a phenol-formaldehyde-based resin; and
a hydrophobic agent comprising:
a silicone compound, and
a silane or an emulsifier;

wherein the hydrophobic agent is present at approximately 0.05 to 2 percent by weight of the mineral wool insulation product;
wherein the mineral wool product has a water absorption according to ASTM C1763-16 of less than 4.0 vol. percent, and/or following storage of the mineral wool product at 250 degrees centigrade for 24 hours, the mineral wool product has a water absorption according to EN13472 of less than 1.0 kg/m2; and
wherein the mineral wool product has a density of 20 kg/m3 to 150 kg/m3.