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| Brand Name: | SEASTAR |
| Model Number: | Customizable according to requirements |
| MOQ: | 20 m³ |
| Price: | 252 USD/tons (Current price) |
| Payment Terms: | spot goods and spot payment |
| Supply Ability: | 2000 tons/month |
| Attribute | Value |
|---|---|
| Density | 40 - 200 kg/m³ |
| Color | yellowish-brown |
| Stock Size | 1200×600 (mm) |
| Thickness | 30mm-150mm |
| Electrical Insulation | Excellent |
| Noise Reduction | Excellent |
| Fireproofing | Excellent |
| Hydrophobic Property | Excellent |
| Temperature Resistance | -268℃ ~ 650℃ |
| Surface Finish | Rough |
Hydrophobic rock wool board is made by adding a hydrophobic agent to ordinary rock wool board. It possesses excellent hydrophobic properties, which can effectively prevent moisture penetration while retaining the inherent thermal insulation, sound insulation, fire resistance, and durability of rock wool board itself. In construction projects, hydrophobic rock wool board serves as a core material for insulation systems in high-humidity and rainy areas.
What applications could Rock Wool Boards be used?
External Wall External Insulation System
For external walls of buildings in rainy southern regions and humid coastal areas, hydrophobic rock wool board can resist rain erosion and moisture penetration in the air. It prevents the thermal insulation layer from absorbing moisture, which would otherwise lead to an increase in thermal conductivity and a decrease in thermal insulation performance. Meanwhile, it stops moisture from infiltrating the interior of the wall, thus avoiding wall mildew and corrosion of structural steel bars. For instance, in coastal cities prone to typhoons, using hydrophobic rock wool board for external wall insulation can effectively withstand the impact of heavy rainfall brought by typhoons and maintain the long-term stability of the insulation system.
Roof and Roof Surface Insulation
Whether for flat roofs or sloped roofs, hydrophobic rock wool board can be used as an insulation layer and directly laid under the waterproof layer or between the roof structural layers. It can quickly drain a small amount of accumulated water or condensed water on the roof surface, preventing the insulation layer from being in a damp state for a long time, which would otherwise cause softening and deformation. It is particularly suitable for scenarios where water accumulation is likely, such as green roofs and accessible roofs. Additionally, in the roof insulation of cold northern regions, it can also prevent moisture infiltration caused by the melting of snow in winter, ensuring the roof insulation effect.
Underground Buildings and Civil Air Defense Projects
Hydrophobic rock wool board is often selected for the insulation of underground garages, basement walls, and roof slabs. This is because it can resist the penetration of underground moisture and groundwater, preventing the insulation material from failing due to moisture absorption. At the same time, it inhibits condensation and mildew on the walls of underground spaces, improving the comfort of the underground environment. In civil air defense projects, the combination of its hydrophobicity and fire resistance can also meet the safety and durability requirements of civil air defense facilities.
Partition Walls in Humid Spaces such as Bathrooms and Kitchens
In humid spaces like bathrooms and kitchens of residential or commercial buildings (which remain highly humid throughout the year), hydrophobic rock wool board is used as a filling material for partition walls. It can block moisture from spreading through the wall to adjacent rooms, avoiding moisture regain and peeling on the wall surfaces on both sides of the partition wall. Meanwhile, it plays a sound insulation role, reducing noise transmission from humid spaces.
