Qingdao Leadsun Refractory Co., Ltd
| Payment Terms | L/C,D/P,T/T,Western Union |
| Supply Ability | 2000 m3/month |
| Delivery Time | 10-15days |
| Packaging Details | Carton Box |
| Refractoriness | 700C |
| Size | customizable |
| Package | Carton box or plastic bag |
| Type | board, pipe |
| Color | black |
| Density | 200-250kg/m3 |
| Brand Name | LEADSUN |
| Model Number | BOARD , PIPE |
| Certification | ISO CE |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,D/P,T/T,Western Union | Supply Ability | 2000 m3/month |
| Delivery Time | 10-15days | Packaging Details | Carton Box |
| Refractoriness | 700C | Size | customizable |
| Package | Carton box or plastic bag | Type | board, pipe |
| Color | black | Density | 200-250kg/m3 |
| Brand Name | LEADSUN | Model Number | BOARD , PIPE |
| Certification | ISO CE | Place of Origin | CHINA |
| High Light | Fire Resistant Insulation Foam Glass ，Black Insulation Foam Glass ，Fire Resistant Foam Glass Material | ||
Fire-Resistant Foam Glass Insulation for Building & Industrial Applications
Leadsun Foam Glass (Cellular Glass) is an advanced, closed-cell insulation material produced from an all-glass composition. It delivers outstanding thermal insulation, complete waterproof integrity, non-combustible fire resistance, and long-term chemical stability. Capable of operating continuously from cryogenic (-268°C) to high-temperature (482°C) extremes, it is engineered for demanding applications—whether outdoors, underground, submerged, or in chemically aggressive environments. The product is offered as boards, blocks, and pre-formed shells for insulating pipes, vessels, and ducts.
| Test Item | Unit | Data | Standard | |
|---|---|---|---|---|
| Density (±10％ Tolerance) | kg/m3 | 120-200 | ASTM C303 | |
| Thermal Conductivity | Avg.Value | W/(m·K) (10 °C) | 0.043 | ASTM C177/C518 |
| Highest Single Value | W/(m·K) (10 °C) | 0.044 | ||
| Compressive Strength | Avg.Value | MPa | 0.8 | ASTM C165 |
| Lowest Single Value | MPa | 0.55 | ||
| Bending Strength.Avg | Mpa | ≥0.32 | ASTM C203 | |
| Water Vapor Permeability | ng/(pa.m.s) | ≤0.007 | ASTM E96 | |
| Moisture Absorption by Vol | Vol% | ≤0.5 | ASTM C240 | |
| Service Temperature | °C | -268～482 | - | |
| Coefficient of Linear Thermal Expansion | 1/K | 9×10-6 | ASTM E228 | |
| Combustibility | Non Combustible (Class A1) | ASTM E136 | ||
| Dimensional Stability | Excellent - does not SHRINK OR SWELL. | - | ||
| Color | Black | - | ||
| Composition | Pure Glass. No Asbestos, Fibers or Binders. | - | ||
| Chemical Resistance | Impervious to common acids and their fumes. | - | ||
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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