ROCKWOOL ® , . ® , . ® . 190 /³ λ10 = 0.035 /() λ25 = 0.038 /() λ = 0.045 /() λ = 0.048 /() 10 % , 65 , 500 , 15 , μ = 0.30 /() , 2.0 () . , . ROCKWOOL . , .