Heat and Sound Insulation Felt is a polyester insulation felt made of Phenolic Felt.

• Energy Efficiency: Provides energy savings due to its high heat and sound insulation capabilities.
• Flame Retardant: The material is flame retardant and does not pose any health risks.
• Non-Toxic: Free from carcinogenic substances, making it safe for use.
• Comfortable to Use: No need for special protective equipment; it does not irritate or cause itching.
• Heat Conductivity Coefficient (λ): 0.030 W/mK.
• Sound Absorption: Its 3D structure allows it to absorb sound waves effectively.
• Hygienic: Does not support the growth of bacteria, fungi, mold, or insects.
• Eco-Friendly: Made from Phenolic Felt fibers, which are environmentally friendly and safe for humans.
• Durable: Long-lasting material.

Technical Details:

• Thermal Conductivity (W/mK): 0.0356
• Impact Sound Reduction (dB): 25
• Tensile Strength (kPa): 80
• Water Vapor Diffusion Resistance (μ): 1.2
• Short-Term Water Absorption (kg/m²): 1.5
• Reaction to Fire Class: B1
• Average Density (kg/m³): 77
• Average Weight (g/m²): 1000g (±10%)
• Usage Temperature (°C): ±150

Additional Note:
In nonwoven technological products, thickness is not stable like in solid materials. The m² weight is essential, and it is referred to as