Qingdao Leadsun Refractory Co., Ltd
| Type | board,pipe |
| Color | White |
| Supply Ability | 1000 m3/week |
| Delivery Time | 7-10days |
| Packaging Details | Carton box + Pallet |
| Density | 240-800kg/m3 |
| Payment Terms | L/C,D/P,T/T,Western Union |
| Size | customizable |
| Package | carton box + pallet |
| Refractoriness | 1000-1100C |
| Place of Origin | China |
| Brand Name | SUNWOOL |
| Model Number | Calcium Silicate Board |
| Certification | CE ISO |
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Product Specification
| Type | board,pipe | Color | White |
| Supply Ability | 1000 m3/week | Delivery Time | 7-10days |
| Packaging Details | Carton box + Pallet | Density | 240-800kg/m3 |
| Payment Terms | L/C,D/P,T/T,Western Union | Size | customizable |
| Package | carton box + pallet | Refractoriness | 1000-1100C |
| Place of Origin | China | Brand Name | SUNWOOL |
| Model Number | Calcium Silicate Board | Certification | CE ISO |
| High Light | Soundproof Calcium Silicate Board ，Fireproof Calcium Silicate Board ，Lightweight Calcium Silicate Board | ||
To address the health and environmental hazards of traditional asbestos-containing materials, driven by stringent safety regulations and the demand for high-performance, eco-friendly insulation, the building and industrial sectors advanced the development of asbestos-free calcium silicate board. As a product of continuous process improvements and material engineering, this thermal insulation solution is now capable of withstanding continuous operating temperatures ranging from 650°C to 1100°C.
Calcium silicate board was developed as a safe, asbestos-free alternative to traditional thermal insulation materials. It is capable of withstanding continuous operating temperatures ranging from 650°C to 1100°C. Thanks to advancements in material processing, the board offers a combination of lightweight properties, low thermal conductivity, high mechanical strength, easy installation, long-term reliability, and excellent durability. Three standard grades are available—650°C, 1000°C, and 1100°C—making it suitable for use as furnace backup insulation in industries such as steel, petrochemicals, ceramics, cement, and glass, as well as for fire protection in building construction.
| Item | Unit | High Temperature(1000℃) |
| Bulk Density | Kg/m3 | 240(±10%) |
| Flexural Strength | Mpa | ≥0.50 |
| Thermal Conductivity | W/m.k | ≤0.056 |
| Temp. Limit | ℃ | 1000 |
| Linear Shrinkage | % | 2(1000 C,16hrs) |
High Temperature Calcium Silicate Board, Fireproof Insulation Board For Boiler, Industrial Furnace Insulation Board
| Physical index | Unit | L-200 | L-230 | L-250 | L-270 |
| Density | kg/m3 | 200±10% | 230±10% | 250±10% | 270±10% |
| Cold Crushing Strength | Mpa | ≥0.60 | ≥0.80 | ≥0.90 | ≥1.00 |
| Flexural Strength | Mpa | ≥0.35 | ≥0.45 | ≥0.50 | ≥0.55 |
| Maximum Service Temp. | ℃ | 1000℃ | 1000℃ | 1000℃ | 1000℃ |
| Linear Shrinkage(1000℃x16hrs) | % | ≤2 | ≤2 | ≤2 | ≤2 |
| Thermal Conductive | w/(m.k) |
200℃ 0.075
400℃ 0.098
600℃ 0.150
800℃ 0.210 |
200℃ 0.085
400℃ 0.100
600℃ 0.152
800℃ 0.214 |
200℃ 0.095
400℃ 0.108
600℃ 0.156
800℃ 0.216 |
200℃ 0.098
400℃ 0.110
600℃ 0.158
800℃ 0.218 |
| Compression Strength at 10% Deformation after 16hrs*1000℃ | Mpa | 0.32 | 0.40 | 0.45 | 0.50 |
| Porosity | % | 90.80 | 90.60 | 90.40 | 90.00 |
| Moisture Content | % | 3-5% | |||
| PH Value | % | 8-9% | |||
| Color | / | white | |||
| Surface Condition | / |
1.Original dimple pattern. 2.Double sanded, smooth and good flatness. |
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Q1: How do I select the right insulation grade for my furnace?
A: Selection depends on the maximum operating temperature, thermal cycling frequency, and chemical atmosphere. Please provide your design specifications for a tailored recommendation.
Q2: Do these materials contain hazardous substances?
A: We offer a range of bio-soluble (low-bio-persistence) fibers that meet international health and safety standards for handling and usage.
Q3: Can you provide customized shapes?
A: Yes, we provide vacuum-formed custom shapes, blocks, and modules based on your CAD drawings to ensure a perfect fit for your equipment.
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2014
Total Annual:
3000000-5000000
Employee Number:
5~20
Ecer Certification：
Verified Supplier
Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia... Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia...
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