Rock Wool Felt Roll Insulation

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Rock Wool Felt Roll Insulation

Rock wool felt is a flexible roll insulation material mainly manufactured from natural basalt and other mineral rocks. It is produced through high-temperature melting and centrifugal fiber processing technology. The material is lightweight and provides excellent thermal insulation performance, high-temperature resistance, and non-combustibility. It also offers effective sound absorption, moisture resistance, and stable chemical properties, making it suitable for a wide range of industrial and building insulation applications.

Industrial Reinforced Rock Wool Felt Rolls Description

Industrial Reinforced Rock Wool Felt Rolls are composite insulation products made from rock wool felt combined with reinforced aluminum foil or steel wire mesh. The material is flexible, durable, and easy to install. It has passed metal corrosion testing and can be safely applied to stainless steel and other metal surfaces. The reinforced facing improves durability and extends service life.

With a maximum operating temperature of up to 1450°C, reinforced rock wool felt rolls are suitable for thermal insulation of large-diameter industrial pipelines, storage tanks, containers, boilers, and flue gas ducts. The reinforced aluminum foil facing is especially suitable for long-distance pipeline insulation, helping reduce on-site installation time and labor costs.

Advantages of Wholesale Rock Wool Insulation Rolls

1. Excellent Thermal Insulation and Fire Resistance

Rock wool rolls provide outstanding thermal insulation and can withstand temperatures up to 1260°C. With low thermal conductivity and low slag ball content, they effectively reduce heat transfer and improve fire safety.

2. Waterproof and Moisture Resistant

The material features high hydrophobicity, low water absorption, and no capillary action. Its non-acidic properties help protect metal surfaces from corrosion. As an inorganic material, it resists mold, bacteria, rotting, and aging.

3. Sound Absorption and Noise Reduction

The porous fiber structure effectively absorbs sound waves and reduces noise transmission, making it suitable for industrial and building acoustic insulation applications.

4. Stable and Durable Performance

Rock wool insulation offers excellent dimensional stability, easy cutting and installation, minimal installation waste, and long-term thermal performance without deformation or harmful gas emissions.

Details & Features

Rock wool thermal insulation products provide excellent thermal efficiency and acoustic insulation performance. Reinforced rock wool felt rolls are durable, easy to install, and suitable for a wide range of industrial insulation applications requiring heat resistance, fire protection, and sound control.

Product Characteristics

● Class A1 Non-Combustible Material

Rock wool felt is classified as a Class A1 non-combustible material with excellent high-temperature resistance. In the event of fire, it does not produce smoke, molten droplets, or toxic emissions.

● Excellent Thermal Insulation Performance

With low thermal conductivity and a porous fiber structure, rock wool felt effectively reduces heat transfer and minimizes energy loss.

● Flexible Structure and Easy Installation

The flexible felt design allows easy installation on irregular surfaces, curved equipment, and large-area insulation projects.

● Effective Sound Absorption and Noise Reduction

The interwoven fiber structure creates numerous air pockets that effectively absorb mid- and high-frequency noise, improving acoustic performance.

● Moisture Resistance and Corrosion Protection

Rock wool felt offers excellent chemical stability, does not corrode metal surfaces, has low water absorption, and resists aging and deterioration.

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