Rock wool products are made from natural rock such as basalt and dolomite. The natural rock is melted into melts in cupola at a very high temperature about 1500°C. And the melts lava is then pouring to high-speed spinners through which the melts get into fibers.
- Length: 1200 mm
- Width: 600 mm
- Thickness: 35 - 150 mm
- Density: 40kgs/m3 - 120 kgs/m3
Product Performance | A1 | A2 | A3 | Unit | Standard |
Compressive Strength | ≥40 | ≥60 | ≥80 | K Pa | EN826 |
Tensile Strength | ≥7.5 | ≥10 | ≥15 | K Pa | GB/T 149-2003 |
Thermal Conductivity (25ºC) | ≤0.040 | W/(m.k) | GB/T 10295 | ||
Fire Protection | Incombustible Material A | Level | GB 8624-2007 | ||
Acidity Coefficient | ≥1.8 | ------- | GB/T 5408 | ||
Moisture Resistance | ≥99 | % | GB/T 10299 | ||
Mass Humidity Absorption | ≤1.0 | % | GB/T 5480 | ||
Moisture Absorption (24h) | ≤0.5 | Kg/m³ | GB/T 25975-2010 | ||
Moisture Absorption (28d) | ≤2.0 | Kg/m³ | GB/T 25975-2010 | ||
Size Stability | ≤1.0 | % | GB/T 8811 | ||
Melting temperature | ≥ 1000 | ºC | DIN4102-17 | ||
Product Application
(1) Petrochemical industry -- heat insulation and sound absorption of equipment for petroleum industry, power industry and chemical industry.
(2) Construction industry -- heat insulation and sound absorption of partition, curtain wall, roofs and fences for construction.
(3) Mining industry -- heat preservation and fireproof for industrial kiln, oven, large-caliber storage tank and shipping.
(4) Rockwool is widely used for the heat insulation and sound absorption and heat preservation of pipes in building field.
