Xuanming sound-absorbing rock wool is a silent product designed and developed specifically to solve various acoustic problems, integrating functions such as sound absorption, insulation, heat insulation, and fire prevention, creating a quiet and comfortable acoustic environment for spaces.
Mainly used in soundproofing equipment, equipment pipelines, wind tunnel laboratories, acoustic laboratories, etc., to meet different acoustic design requirements. Silent rock wool is an ecological rock wool product with excellent environmental performance and has won the CleanAir indoor air quality gold certification in the United States. It is suitable for filling internal cavities such as partition walls, ceilings, attics, elevator shafts, and floor slabs in civil, commercial, and public buildings, effectively reducing sound transmission, creating a comfortable spatial environment, and improving living safety and comfort.
unit weight | thickness | Sound absorption system | NRC | |||||
Frequency of octave band (Hz) | ||||||||
125 | 250 | 500 | 1000 | 2000 | 4000 | |||
40 | 50 | 0.20 | 0.60 | 0.99 | 1.02 | 0.96 | 0.98 | 0.90 |
60 | 50 | 0.20 | 0.60 | 1.03 | 1.04 | 0.96 | 0.89 | 0.90 |
80 | 50 | 0.20 | 0.70 | 1.07 | 1.05 | 1.00 | 0.94 | 0.90 |
100 | 50 | 0.24 | 0.71 | 1.07 | 1.06 | 1.06 | 1.28 | 0.95 |
120 | 50 | 0.25 | 1.07 | 1.00 | 1.00 | 0.97 | 0.98 | 0.90 |
