Rock wool blanket is a high-performance insulation material manufactured from molten basalt rock and recycled slag, engineered to provide exceptional thermal, acoustic, and fire protection properties. With a maximum continuous service temperature of 750°C (1382°F), these non-combustible blankets offer superior insulation performance with thermal conductivity ranging from 0.032 to 0.044 W/m·K, making them ideal for industrial, commercial, and residential applications. Unlike traditional fiberglass insulation, rockwool blankets demonstrate 3-5x better fire resistance while maintaining excellent flexibility and compression recovery, ensuring long-term performance in demanding environments.
Product Parameters
|
Brand |
TP-Z450 |
TP-Z650 |
|
|
Bulk Density (kg/m3) |
80 |
100 |
|
|
(°C) Recommended temperature |
450 |
650 |
|
|
(°C) Maximum use temperature |
550 |
750 |
|
|
Volumetric hygroscopic rate |
≤1% |
||
|
Mass hygroscopic rate |
≤1% |
||
|
(w/m.k) Thermal Conductivity |
70℃ |
0.040 |
0.038 |
|
150℃ |
0.050 |
0.048 |
|
|
200℃ |
0.064 |
0.056 |
|
|
300℃ |
0.080 |
0.070 |
|
|
400℃ |
- |
0.085 |
|
|
Surface burning characteristics
|
Flue gas development index |
≤25 |
|
|
Flame spread index |
0 |
||
Product Usage:
In the building industry, they are used for thermal and acoustic insulation in walls, roofs, and floors. They are also effective in reducing noise transmission between rooms and floors, making them ideal for residential and commercial buildings.
In industrial settings, rock wool blankets are used to insulate boilers, tanks, and pipes, reducing heat loss and improving energy efficiency. They also provide fire-resistant barriers in walls, ceilings, and floors, helping to contain fires and slow their spread.
Additionally, rockwool fiber blankets are used in marine and offshore applications to insulate and provide fire protection in ships, oil rigs, and other offshore structures
Product Advantages
Fire Resistance: Class A1 non-combustible (EN 13501-1)
Thermal Conductivity: 0.032-0.044 W/m·K at 20°C
Sound Absorption: Noise Reduction Coefficient (NRC) 0.75-0.95
Compression Resistance: Recovers to 95% original thickness after compression
Chemical Stability: pH 7-8, non-corrosive to metals
Environmental Certifications: LEED compliant, GREENGUARD Gold certified
Product technology:
The production of premium rock wool blankets follows a precisely controlled sequence:
Raw Material Preparation: Basalt rock (60%) and recycled slag (40%) blended
Melting: Electric cupola furnace at 1500°C (2732°F)
Fiberization: Centrifugal spinning into 4-7μm diameter fibers
Binder Application: Phenol-formaldehyde resin (<1%) for fiber cohesion
Curing: Polymerization oven at 200-250°C (392-482°F)
Cutting & Packaging: Automated CNC cutting to exact dimensions
Why Choose Us?
23+
years experience focus on refractories field
2 plants
with 3 sets of tunnel kilns for 120,000 tonnes capacity
3 QC
Labs Technology Centres
120+ employees
with ISO9001,TUV,SGS,Intertek certifications
100+
abroad customers in 50+ countries
20+
major industry furnace projects yearly
Packing
To ensure product integrity during transit, we employ a robust packaging system:
Compressed rolls in heavy-duty polyethylene wrapping
Waterproof pallets with steel banding (ISPM15 compliant)
Custom packaging for ocean/air freight available
FAQ
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