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Rockwool pipe
Professional matching new thermal insulation materials
Rockwool pipe shells are tubular Class A non-combustible rockwool products designed and manufactured specifically for thermal insulation of small-diameter pipelines. They offer excellent thermal insulation, heat retention, sound absorption, and noise reduction performance, and are easy to install. This product is available in standard and hydrophobic versions, with surfaces optionally covered by aluminum foil or fiberglass cloth.
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Product Details

Rockwool pipe shells are tubular Class A non-combustible rockwool products designed and manufactured specifically for thermal insulation of small-diameter pipelines. They offer excellent thermal insulation, heat retention, sound absorption, and noise reduction performance, and are easy to install. This product is available in standard and hydrophobic versions, with surfaces that can be covered with aluminum foil or fiberglass cloth.

Product Model | TSP100 | TSP120 | TSP140 |
Apparent density (kg/m³) | 100 | 120 | 140 |
Inner diameter (mm) | 30~600 | 30~600 | 30~600 |
Thickness (mm) | 30~150 | ||
Length (mm) | 1000 | ||
Other specifications can be customized according to customer requirements.

Product Performance | Unit | TSP100 | TSP120 | TSP140 | Standard |
Apparent density | kg/m³ | 100 | 120 | 140 | - |
Thermal conductivity at 100℃ | W/(m·K) | 0.044 | 0.044 | 0.044 | GB/T 10295 |
Thermal conductivity at 200℃ | W/(m·K) | 0.072 | 0.063 | 0.061 | ASTM C518 |
Thermal conductivity at 300℃ | W/(m·K) | 0.095 | 0.081 | 0.078 | ASTM C177 |
Maximum operating temperature | Celsius | 450 | 550 | 650 | ASTM C411 |
Thermal Load Shrinkage Temperature | Celsius | 400 | 500 | 600 | GB/T 11835 |
Linear shrinkage rate | % | ≤2 | ≤2 | ≤2 | ASTM C356 |
Moisture absorption rate* | % | ≤1.0 | ≤1.0 | ≤1.0 | GB/T 5480.7 |
Water-repellent rate* | % | ≥98 | ≥98 | ≥98 | GB/T 10299 |
Fire resistance performance | - | Class A Non-combustible | GB 8624-2012 | ||
Organic matter content | % | ≤4.0 | ≤4.0 | ≤4.0 | GB11835 |
Melting temperature | Celsius | >1000 | - | ||
The above data are for reference only. The company reserves the right to enhance product performance as production equipment and processes are improved.* Refers to hydrophobic products.

Rockwool pipe shells are primarily used for thermal insulation, heat preservation, and noise reduction in small-diameter pipelines of boilers and equipment in industries such as power, petroleum, chemical engineering, metallurgy, shipbuilding, and textiles.

Rockwool pipe shells are packaged in shrink-wrap film printed with the company’s logo. The products should be stored indoors, and the stacking height should not exceed 2 meters.
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Address: No. 29, Zhichu Road, Zhifu District, Yantai City
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