What is the sound insulation effect of 120kg rock wool roll felt insulation material?
Release Time: 2026-03-04
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What is the sound insulation effect of 120kg rock wool roll felt insulation material? The rock wool roll felt insulation material product is made of high-quality basalt as raw material, refined through high-temperature melting, centrifugal spinning, and solidification processes. The fiber structure is dense and uniform, with excellent sound absorption and insulation performance. The rock wool roll felt with a density of 120kg/m ³ performs very well in sound insulation (more accurately, sound absorption and insulation), especially suitable for scenarios with high requirements for medium and high frequency noise control and low frequency vibration suppression.
120kg/m ³ rock wool roll felt has strong absorption capacity for medium and high-frequency noise (such as human voice, equipment operation sound, traffic noise, etc.), with a sound absorption coefficient (NRC) of over 0.85; At the same time, its high-density characteristics effectively improve the air sound insulation of walls, ceilings or pipeline systems. It has been tested that a 50mm thick filling can improve the sound insulation performance of lightweight partition walls by 10-15 dB, and a 100mm thick application can achieve a comprehensive sound insulation effect of over 60 dB. In addition, rock wool itself is A1 grade non combustible, high temperature resistant (>1000 ℃), moisture-proof and stable, and has both insulation and fire prevention functions. It is widely used in scenarios with strict acoustic environment requirements, such as building partitions, machine room noise reduction, industrial plants, and residential buildings along the subway.
The advantages of insulation material rock wool roll felt for sound insulation are mainly reflected in:
1. Efficient sound absorption and noise reduction
The porous interconnected structure inside rock wool can convert sound energy into heat energy, significantly absorbing mid to low frequency noise, and is suitable for places with high noise control requirements such as factories, equipment rooms, and air conditioning pipelines. 2. Flexible felt design
The roll felt has a soft and easy to cut shape, suitable for various complex structures and curved surfaces. It is installed tightly without leaving any gaps, avoiding the sound bridge effect and improving the overall sound insulation effect. 3. Combining fire prevention and environmental protection
In addition to excellent sound insulation performance, this product also has an A-level fire rating, high temperature resistance, non flammability, and is environmentally friendly and odorless, meeting the dual needs of modern architecture for safety and health. 4. Durable and stable
Fiber structure is stable, not easy to settle or deform, and can maintain good acoustic performance even after long-term use. It is suitable for various scenarios such as wall filling, suspended ceilings, partition walls, and pipeline wrapping.
What is the sound insulation effect of 120kg rock wool roll felt insulation material? Rosewool Insulation Refractory Co.,Ltd, high-quality rock wool, trustworthy! Choosing to cooperate with Rosewool Insulation Refractory Co.,Ltd not only provides cost-effective rock wool products, but also allows for localized after-sales and one-stop technical services, jointly creating value for the improvement of building sound environment and energy efficiency.
