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High Density Rock Wool Boards Superior Insulation Fire Safety

Rigid Rockwool Board
December 27, 2025
Category Connection: Rigid Rockwool Board
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Tags:
#fireproof rock wool board #rock wool board #rockwool rigid board insulation
Brief: Join us for a close-up look at this solution and see it in action. In this video, we demonstrate the superior insulation and fire safety performance of High Density Rock Wool Boards. You'll see how their dense fiber structure provides enhanced mechanical strength, stable thermal insulation, and reliable fire resistance in both construction and industrial applications.
Related Product Features:
  • High-density rock wool boards offer a density range of 40 to 200 kg/m³ for versatile construction and industrial use.
  • These panels provide excellent thermal insulation with a low thermal conductivity of 0.034-0.040W/(m*K).
  • They are Class A non-combustible materials, maintaining structural integrity at temperatures above 700℃ without releasing toxic gases.
  • Enhanced mechanical strength includes a compressive strength of 100-200kPa and superior flexural and deformation resistance.
  • Superior sound insulation performance improves low-frequency noise reduction by over 30% for industrial and building applications.
  • Excellent hydrophobic properties and low water vapor permeability minimize performance degradation from moisture absorption.
  • With a temperature resistance range from -268℃ to 650℃, they are suitable for extreme environmental conditions.
  • Durable service life of 25-30 years ensures long-term cost-effectiveness and reduced replacement frequency.
FAQs:
  • What are the key advantages of high-density rock wool boards over standard rock wool?
    High-density rock wool boards offer significantly enhanced mechanical strength, more stable and long-lasting thermal insulation, superior fire resistance with longer flame-retardant duration, better sound insulation (especially for low-frequency noise), and improved impermeability, resulting in greater durability and cost-effectiveness over a 25-30 year service life.
  • In what applications are high-density rock wool panels most commonly used?
    These panels are ideal for industrial settings like high-temperature boilers, steam pipelines, and heavy-duty equipment, as well as construction applications such as external walls, roofs, and curtain walls in high-rise buildings. They are also suited for special scenarios including ship engine rooms and subway tunnels due to their compression resistance, high-temperature tolerance, and sound insulation capabilities.
  • How does the density of the rock wool board affect its performance?
    Higher density results in a tighter fiber structure, which enhances compressive strength (100-200kPa), improves thermal insulation stability by reducing gap losses, provides better sound absorption, and increases resistance to deformation and moisture. This makes high-density boards more reliable for demanding environments compared to standard rock wool.
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