Pengzhou Shiyida Building Materials Co., Ltd.
| Payment Terms | spot goods and spot payment |
| Supply Ability | 2000 tons/month |
| Delivery Time | 2-7 days |
| Packaging Details | wrapped with a stretched polyethylene film directly on the outside |
| Density | 80- 120 kg/m³ |
| Color | yellowish-brown |
| Stock Size | 1200×600（mm） |
| Thickness | 30mm-150mm |
| Electrical Insulation | Good |
| Noise Reduction | Good |
| Heat Preservation Performance | Good |
| Hydrophobic Property | Good |
| Temperature Resistance | -268℃ ~ 650℃ |
| Surface Finish | Rough |
| Brand Name | SEASTAR |
| Model Number | Customizable according to requirements |
| Certification | CNASL6673 |
| Place of Origin | Chengdu, Sichuan, China |
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Product Specification
| Payment Terms | spot goods and spot payment | Supply Ability | 2000 tons/month |
| Delivery Time | 2-7 days | Packaging Details | wrapped with a stretched polyethylene film directly on the outside |
| Density | 80- 120 kg/m³ | Color | yellowish-brown |
| Stock Size | 1200×600（mm） | Thickness | 30mm-150mm |
| Electrical Insulation | Good | Noise Reduction | Good |
| Heat Preservation Performance | Good | Hydrophobic Property | Good |
| Temperature Resistance | -268℃ ~ 650℃ | Surface Finish | Rough |
| Brand Name | SEASTAR | Model Number | Customizable according to requirements |
| Certification | CNASL6673 | Place of Origin | Chengdu, Sichuan, China |
| High Light | Temperature Resistance Rock Wool Board ，Fireproof Rock Wool Board 1200x600mm ，Medium Density Rock Wool Board | ||
Cost-effective Medium-density Rock Wool Boards With Overall Excellent Performance
Rock wool boards are produced using natural minerals like basalt as raw materials. The rocks are melted at high temperatures, then spun into fibers via centrifugal force. The density of rock wool board is the key indicator determining its performance and application. Products with different densities show significant differences in strength, insulation properties, and cost. Medium-density rock wool boards have a density ranging from 80 to 120 kg/m³. Their thermal conductivity is moderate, approximately 0.042-0.050 W/(m·K), and their insulation effect is slightly lower than that of low-density products but can meet the insulation needs of most buildings. Their compressive strength is about 80-150 kPa, with good flexural resistance, enabling them to bear slight loads.
Good Performance
Some products treated with hydrophobic agents have a hydrophobic rate of ≥98%, allowing them to adapt to slightly humid environments. They are also A1 non-combustible materials, with better structural stability at high temperatures than low-density products, and their fire resistance rating is usually 1-2 hours. Their advantages include balanced overall performance, combining thermal insulation and structural strength, wide application scenarios, and high cost performance. They also have strong adaptability, being usable in dry or slightly humid environments without complex protective treatments. Meanwhile, they have good construction compatibility, capable of being used with rendering mortar, mesh cloth, etc., making them suitable for external wall insulation systems.
Extensive Applications
The main application scenarios of medium-density rock wool boards are extensive. In building external wall insulation, they cover both external and internal wall insulation systems, and are especially suitable for multi-storey buildings, being the most commonly used type of rock wool board in civil buildings. For roof insulation, they are applicable to non-heavy-load areas such as flat roofs, used as insulation layers in conjunction with waterproof layers, which can handle scenarios without large equipment or heavy-duty coverings. Additionally, they are used for ordinary pipe insulation, such as hot water pipes and industrial medium and low-temperature pipes (≤150℃), which can not only achieve insulation effects but also provide a certain degree of structural support.
Comparison of Rock Wool Boards in Different Density
| Category | Parameters | Performance | Advantages | Main Application Scenarios |
| Low-Density Rock Wool Board | Density 40-80 kg/m³; thermal conductivity 0.038-0.045 W/(m·K); compressive strength 30-80 kPa; noise reduction coefficient (NRC) 0.7-0.9 | Excellent thermal insulation, low strength, poor flexural resistance, lightweight and fluffy, Class A1 non-combustible but prone to shrinkage at high temperatures | High insulation efficiency, low cost, easy to carry and cut | Non-load-bearing indoor insulation (wall interlayers, attics, etc.); sound-absorbing filling in conference rooms, machine rooms, etc.; insulation for air conditioning ducts and low-temperature water pipes |
| Medium-Density Rock Wool Board | Density 80-120 kg/m³; thermal conductivity 0.042-0.050 W/(m·K); compressive strength 80-150 kPa; fire resistance rating 1-2 hours | Good thermal insulation, moderate strength to bear slight loads, some with moisture resistance, better high-temperature stability than low-density type | Balanced overall performance, wide application range, high cost-effectiveness, good construction compatibility | External wall insulation of buildings (mainly multi-storey buildings); insulation for non-heavy-load roof areas; insulation for hot water pipes and medium-low temperature industrial pipes |
| High-Density Rock Wool Board | Density 120-200 kg/m³; thermal conductivity 0.048-0.055 W/(m·K); compressive strength ≥150 kPa; fire resistance rating 2-4 hours | Thermal insulation meets basic needs, high strength, impact resistance, low shrinkage at high temperatures, strong weather resistance | High strength and stability, outstanding fire safety, good weather resistance to adapt to complex environments | Insulation for load-bearing parts (ground, external walls of basements, etc.); fire barriers and firewalls in high-rise buildings; insulation for industrial kilns and heavy equipment |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
5000000-8000000
Employee Number:
80~120
Ecer Certification：
Verified Supplier
Pengzhou Shiyida Building Materials Co., Ltd. was established in 2011 and is located in Chengdu, a tourist city in China. It is one of the domestic manufacturers engaged in new-type refractory, thermal insulation and sound insulation materials. The factory is located in Pengzhou, with ... Pengzhou Shiyida Building Materials Co., Ltd. was established in 2011 and is located in Chengdu, a tourist city in China. It is one of the domestic manufacturers engaged in new-type refractory, thermal insulation and sound insulation materials. The factory is located in Pengzhou, with ...
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