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Rock Wool Insulation Sheets Superior Heat Fire Proof

Rockwool Insulation Sheets
December 27, 2025
Category Connection: Rockwool Insulation Sheets
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Tags:
#Rockwool Insulation Board #Mineral Wool Insulation Board #Rock Wool Sheet
Brief: This video explains the main functions and practical uses of Flexible Rough Rockwool Insulation Sheets in a clear, step-by-step format. You will see how these hydrophobic sheets, available in 30mm to 150mm thicknesses, provide superior thermal insulation, fire resistance, and soundproofing for industrial and construction applications.
Related Product Features:
  • Excellent thermal insulation with low thermal conductivity (≤0.044 W/(m*K)) to minimize heat loss and improve energy efficiency.
  • Superior high-temperature resistance, sustaining long-term use up to 800°C and classified as Class A non-combustible material.
  • Strong chemical stability, resistant to acids, alkalis, and common industrial media for durability in harsh environments.
  • Good mechanical strength with compressive strength ≥40 kPa and flexural strength ≥15 kPa to resist deformation and damage.
  • Low hygroscopicity with volume water absorption ≤5% after moisture-proof treatment, ensuring consistent performance in humid conditions.
  • Effective sound insulation and noise reduction, providing ≥30 dB airborne sound insulation for 50 mm thickness.
  • Cost-effective and environmentally friendly, made from recycled industrial by-products and supporting circular economy principles.
  • Durable and flexible construction, produced from natural minerals like basalt melted and spun into fibers for reliable performance.
FAQs:
  • What temperature range can these rock wool insulation sheets withstand?
    Standard rock wool sheets sustain long-term use at 300-600°C, while basalt-based variants can withstand up to 800°C without softening or decomposing, making them ideal for high-temperature industrial applications.
  • How does the low hygroscopicity benefit the insulation performance?
    With a volume water absorption rate ≤5% after moisture-proof treatment, the sheets prevent performance degradation in humid environments, as moisture absorption can double thermal conductivity, ensuring consistent insulation efficacy.
  • Are these rock wool boards suitable for fire safety applications?
    Yes, they are classified as Class A non-combustible material, meaning they do not burn, emit smoke, or release toxic gases when exposed to fire, making them ideal for fire-critical scenarios like chemical plants and building fire partitions.
  • What are the key mechanical properties of these insulation sheets?
    Industrial-grade rock wool boards exhibit compressive strength ≥40 kPa and flexural strength ≥15 kPa (at 120 kg/m³ density), enabling them to resist deformation, displacement, or damage during transportation, installation, and equipment operation.
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