Qingdao Leadsun Refractory Co., Ltd
| Payment Terms | L/C,T/T,D/P,Western Union |
| Supply Ability | 2000 m3/month |
| Delivery Time | 10 days |
| Packaging Details | Carton box + Pallet |
| Refractoriness | 1000-1100C |
| Size | customizable |
| Package | carton box + pallet |
| Type | board,pipe |
| Color | White |
| Density | 240-800kg/m3 |
| Brand Name | LEADSUN |
| Model Number | 1000C 1100C |
| Certification | ISO CE |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T,D/P,Western Union | Supply Ability | 2000 m3/month |
| Delivery Time | 10 days | Packaging Details | Carton box + Pallet |
| Refractoriness | 1000-1100C | Size | customizable |
| Package | carton box + pallet | Type | board,pipe |
| Color | White | Density | 240-800kg/m3 |
| Brand Name | LEADSUN | Model Number | 1000C 1100C |
| Certification | ISO CE | Place of Origin | CHINA |
| High Light | High Temperature Cal Sil Board ，Furnace Calcium Silicate Insulation Board ，Industrial Calcium Silicate Insulation Board | ||
Leadsun Calcium Silicate Board is an asbestos-free thermal insulation material designed for continuous service temperatures from 650°C to 1100°C. It is lightweight, durable, and offers low thermal conductivity and high mechanical strength. Available in 650, 1000, and 1100 grades, it is widely used as backup insulation in steel, petrochemical, ceramic, cement, and glass industries, and for fire protection in construction. It helps improve energy efficiency, production performance, and workplace safety. In building applications, it is also suitable for ceilings, fireproof walls, and decorative sound-absorbing panels.
| 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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High temperature resistance up to 1100°C
Asbestos-free and environmentally safe
Low thermal conductivity for excellent insulation
High mechanical strength with good flexural and compressive performance
Lightweight and easy to handle for fast installation
Moisture resistant, stable in wet conditions
Excellent dimensional stability under thermal cycling
Suitable for both industrial and construction applications
Furnace backup insulation (reheating, annealing, rotary kilns)
Steel & metallurgy (ladles, tundishes, hot metal cars)
Petrochemical (heaters, reformers, pipe supports)
Ceramic & cement (tunnel kilns, nozzles, flow gates)
Building construction (fireproof ceilings, wall insulation)
Power & HVAC (boilers, duct lining)
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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