Qingdao Leadsun Refractory Co., Ltd
| Supply Ability | 2000 m3/month |
| Payment Terms | L/C,D/P,T/T,Western Union |
| Delivery Time | 15 days |
| Packaging Details | Carton Box |
| Model Number | Board, Pipe |
| Certification | CO ISO |
| Place of Origin | China |
| Brand Name | LEADSUN |
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Product Specification
| Supply Ability | 2000 m3/month | Payment Terms | L/C,D/P,T/T,Western Union |
| Delivery Time | 15 days | Packaging Details | Carton Box |
| Model Number | Board, Pipe | Certification | CO ISO |
| Place of Origin | China | Brand Name | LEADSUN |
| High Light | High-Strength Insulation Foam Glass ，Commercial Roof Insulation Foam Glass ，Facade Insulation Foam Glass | ||
Insulation Foam Glass is a lightweight, rigid, and closed-cell insulation material made primarily from crushed glass (recycled cullet) and a foaming agent. The raw materials are mixed, placed in molds, and heated in a kiln to approximately 900–1000°C (1650–1830°F). At this temperature, a chemical reaction releases gases (such as carbon dioxide or sulfur dioxide), creating millions of tiny, sealed, independent glass bubbles. Once cooled, the mixture solidifies into a rigid board or block that is 100% inorganic and non-combustible.
| Category | Key Performance Characteristics |
|---|---|
| Thermal Conductivity | Typically ranges from 0.038 to 0.050 W/(m·K) , providing excellent energy efficiency. |
| Compressive Strength | Very high (usually 400–1,600 kPa), making it load-bearing and suitable for roofing and floors. |
| Water Vapor Permeability | Zero (impermeable) due to its closed-cell structure; it acts as a built-in vapor barrier. |
| Density |
Lightweight, generally between 100–200 kg/m³. |
| Service Temperature |
Operates effectively from -268°C to +480°C (-450°F to +900°F). |
| Chemical Resistance |
Resistant to most acids, alkalis, solvents, and oils; does not degrade over time. |
Q1: Is foam glass waterproof?
A: Yes, it is 100% waterproof. Its closed-cell structure prevents water absorption and capillary action, and it acts as its own vapor barrier.
Q2: What are its disadvantages?
A: Higher cost than many alternatives, limited availability in some regions, and brittleness during transport or installation.
Q3: Is foam glass fireproof?
A: Yes, it is non-combustible. It does not burn, support flames, or release toxic smoke, and can withstand temperatures up to ~430°C.
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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