Overview
Calcium Silicate Fireproof Board is a versatile construction material composed primarily of calcium oxide and silicon dioxide. It is manufactured through a high-pressure steam curing process, resulting in a lightweight yet durable product. The board is renowned for its exceptional fire resistance, capable of withstanding temperatures up to 1000°C without structural failure. Due to its non-combustible nature, it is widely used in fire-prone environments such as industrial facilities, commercial buildings, and marine applications. The material also offers excellent thermal insulation, making it a preferred choice for energy-efficient construction projects.
Physical and Chemical Properties
Calcium Silicate Fireproof Board exhibits a low density, typically ranging between 0.8-1.2 g/cm³, which contributes to its ease of handling and installation. The material is chemically stable, with high resistance to acids, alkalis, and organic solvents. Its thermal conductivity is remarkably low, often below 0.05 W/m·K, ensuring effective heat insulation. The board's compressive strength varies between 5-10 MPa, depending on the manufacturing process and additives used. It is also moisture-resistant, though prolonged exposure to water may affect its dimensional stability. The material is non-toxic and free from asbestos, making it safe for indoor applications.
Main Applications
The primary use of Calcium Silicate Fireproof Board is in fireproofing applications, including fire-rated partitions, ceilings, and duct enclosures in commercial buildings. It is also extensively used in industrial settings for lining furnaces, kilns, and boilers due to its ability to withstand extreme temperatures. In the shipbuilding industry, the board is employed for fireproof bulkheads and insulation in engine rooms. Additionally, it serves as a substrate for exterior cladding systems and as a backing board for tile installations in wet areas like bathrooms and kitchens, thanks to its moisture resistance.
Safety and Storage
While Calcium Silicate Fireproof Board is inherently safe due to its non-combustible properties, proper handling is essential to minimize dust exposure. Workers should wear dust masks and eye protection during cutting or sanding operations to prevent respiratory irritation. Storage conditions play a crucial role in maintaining the board's quality. It should be kept in a dry environment, preferably on flat surfaces to prevent warping. Pallets should be stacked no more than 1.5 meters high to avoid damage to lower boards. The material should be protected from rain and excessive humidity during transportation and storage.
B2B Procurement Guide
When procuring Calcium Silicate Fireproof Board in bulk, B2B buyers should prioritize suppliers with relevant certifications such as ISO 9001 and fire resistance test reports (e.g., ASTM E84 Class A). Key specifications to verify include thickness tolerance (typically ±0.5mm), density, and flexural strength. For large projects, consider requesting samples to test for workability and compatibility with other construction materials. Lead times can vary significantly (2-8 weeks), so early procurement planning is advisable. Many manufacturers offer custom sizes and edge treatments (beveled, square, or tongue-and-groove) for specific applications.
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