Overview
Fireproof expanded perlite is a versatile insulation material derived from perlite ore, which is heated to high temperatures to expand its volume. The resulting lightweight, porous material is widely used in construction and industrial applications due to its excellent fire resistance and thermal insulation properties. Unlike traditional perlite, fireproof expanded perlite undergoes additional processing to enhance its resistance to high temperatures, making it suitable for fireproofing applications. Its closed-cell structure provides superior insulation and sound absorption, contributing to energy efficiency and safety in buildings.
Physical and Chemical Properties
Fireproof expanded perlite is characterized by its low density, typically ranging from 50 to 200 kg/m³, depending on the manufacturing process. It is chemically inert, non-combustible, and resistant to most acids and alkalis. The material has a melting point of approximately 1,260°C, making it highly suitable for high-temperature environments. Its granular structure provides excellent thermal insulation, with a thermal conductivity of around 0.04-0.06 W/m·K. The closed-cell nature of the material also enhances its moisture resistance, preventing water absorption and maintaining insulation performance over time.
Main Applications
Fireproof expanded perlite is extensively used in the construction industry for insulation and fireproofing. It is commonly applied in walls, roofs, and floors to improve energy efficiency and meet fire safety standards. The material is also used in industrial settings, such as in furnaces, boilers, and pipelines, to prevent heat loss and protect against fire hazards. Additionally, fireproof expanded perlite is employed in soundproofing applications due to its acoustic absorption properties. Its lightweight nature makes it easy to handle and install, reducing labor costs and construction time.
Safety and Storage
While fireproof expanded perlite is non-toxic and environmentally friendly, handling the material can generate dust, which may irritate the respiratory system. Workers should use protective gear, such as masks and gloves, to minimize exposure. Proper ventilation is recommended during installation to reduce dust accumulation. Storage conditions are critical to maintaining the material's performance. Fireproof expanded perlite should be kept in a dry, cool place to prevent moisture absorption, which can compromise its insulation properties. Bulk storage should be covered to protect against environmental factors.
B2B Procurement Guide
When procuring fireproof expanded perlite, B2B buyers should prioritize suppliers with certifications for fire resistance and material quality. Key specifications to verify include density, thermal conductivity, and fire resistance ratings, which vary depending on the application. Price ranges can fluctuate based on regional availability and supplier pricing structures. Buyers should request samples to test material performance before large-scale purchases. Additionally, consider logistics and storage requirements, as the material's lightweight nature may affect transportation costs.
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