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High Compression Strength Fireproof Rock Wool For Roofing System

Categories Rock Wool Insulation
Compression Strength: ≥40-80 kPa
Water Absorption: ≤0.4 kg/m2
Payment Terms: L/C,T/T
Point Load: ≥200-700 N
Density: 120-180 kg/m³
Hydrophobic Rate: ≥99.0%
Place of Origin: china
Thermal Conductivity: ≤0.040 W/m*K
MOQ: 1 container.
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High Compression Strength Fireproof Rock Wool For Roofing System

High Compression Strength Fireproof Rock Wool for Roofing System
Product Overview

Our high compressive strength roof fireproof rock wool is engineered for airport terminals, convention centers, and large transportation hubs with large-scale roofing systems. Featuring high-density rock wool formed through 3D pleating technology with excellent compressive strength, ensuring long-term stability under combined equipment loads, maintenance loads, and wind loads.

Applications
  • Steel structure roof insulation for airport terminals, railway stations
  • Large-scale roof systems for convention centers, stadiums
  • Industrial plants, logistics centers
  • Metal roofs requiring installation of HVAC units, PV systems, and maintenance walkways
Technical Specifications
Parameter ProductHR120HR140HR160HR180
Density (kg/m³)120140160180
Compression Strength (kPa)≥40≥45≥60≥80
Point Load (N, Deformation: 5 mm)≥200≥260≥500≥700
Thermal Conductivity (W/m*K, 25°C)≤0.040
CombustibilityClass A1 non-combustible
Acidity Coefficient≥2.0
Hydrophobic Rate (%)≥99.0
Water absorption (kg/m², short term, partial immersion)≤0.4
Mass moisture absorption (%)≤0.3
High Compression Strength Fireproof Rock Wool product illustration
Key Features
  • High Compressive Strength - Reliable Load-Bearing: Compressive strength ≥80kPa (depending on density), capable of supporting concentrated loads from equipment installation and maintenance access—no deformation, no settling over time.
  • Class A1 Non-Combustible - Roof Fire Barrier: Meets the highest Class A1 non-combustible standard: no burning, no molten droplets, no toxic fumes, effectively preventing fire spread across the roof.
  • Dimensional Stability - Long-lasting Performance: High acidity coefficient ensures weather resistance—no powdering, no shrinkage under temperature fluctuations and UV exposure, ensuring long-lasting performance.
  • Thermal Efficiency - Green Building Compliance: Low thermal conductivity meets building energy efficiency standards, supporting green certifications for airport and convention projects.
  • Easy Installation - Metal Roof Compatible: Uniform product dimensions allow direct installation over profiled steel sheets or concrete substrates, perfectly integrating with roofing systems.
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