Glass wool roll felt is a type of thermal and acoustic insulation material made from glass fibers. It is commonly used in construction for its excellent insulation properties, which help in conserving energy and enhancing indoor comfort. Here's a detailed specification of glass wool roll felt:
Material Composition: Glass wool roll felt is primarily composed of fine, spun glass fibers. These fibers are manufactured from molten glass, which is then spun into a fibrous mat. The fibers are bonded together using a thermosetting resin, which enhances the strength and durability of the material.
Density: The density of glass wool roll felt typically ranges from 10 to 48 kilograms per cubic meter (kg/m3). The density can vary depending on the desired insulation performance and application requirements.
Thickness: Glass wool roll felt is available in various thicknesses to suit different insulation needs. Common thicknesses range from 25mm to 150mm or more. Thicker rolls provide higher levels of insulation but may be bulkier to install.
Width and Length: Standard widths of glass wool roll felt typically range from 1200mm to 2400mm, while lengths can vary based on manufacturer specifications and customer requirements. Rolls are often supplied in standard lengths or can be custom-cut to fit specific dimensions.
Thermal Conductivity (λ-Value): The thermal conductivity of glass wool roll felt is typically between 0.030 to 0.045 W/m·K (watts per meter kelvin). This property determines the material's ability to resist heat transfer and is crucial for evaluating its insulation effectiveness.
Fire Resistance: Glass wool roll felt is inherently non-combustible and has excellent fire resistance properties. It does not contribute to the spread of flames and can withstand high temperatures without melting or emitting