ROCKWOOL ͮ , . ͮ , . ͮ . 115 /? ?10 = 0.033 /() ?25 = 0.036 /() ? = 0.042 /() ? = 0.045 /() 10 % , 30 , 7.5 , 1.5 % , ? = 0.30 /() , 2.0 ͮ ®. .
