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Rockwool LRB Mattress

Rockwool LRB Mattress
IS 8183 • ASTM C592 • BS 476

Rockwool LRB Mattress

Rockwool LRB (Lightly Resin Bonded) Mattress is a flexible insulation material made from molten natural rock and slag, bonded with thermosetting resin. It provides outstanding thermal, acoustic, and fire insulation for high-temperature equipment, pipelines, furnaces, and boilers.

  • Withstands temperatures up to 750°C
  • Ideal for thermal & acoustic control in industrial applications
  • Non-combustible, water-repellent, and eco-friendly
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Technical Specifications

Parameter Value / Range Standard
Density70 – 160 kg/m³IS 8183
Thickness25 – 100 mmIS 3144
Width x Length1.22 m x 1.52 – 5 mASTM C592
Thermal Conductivity0.059 W/m·K at 200°CIS 8183
Max Service TemperatureUp to 750°CIS 3346

Facings Available

  • GI Wire Mesh (24/22 gauge, 1”–2” spacing)
  • SS Wire Mesh (optional for high-temp areas)

Each mattress is stitched with galvanized wire on both sides and wrapped in a heat-resistant facing for durable, long-life insulation.

Performance Parameters

Property Performance Standard
Non-CombustibilityNon-combustibleBS 476 Part 4
Flame Spread Index≤ 25ASTM E84
Smoke Developed Index≤ 50ASTM E84
Water AbsorptionLess than 0.5 kg/m²BS 2972
Water Vapour SorptionLess than 5% by volumeASTM C1104
AlkalinitypH 7–10IS 8183

Certifications & Approvals

GreenPro Certified Rockwool LRB Mattress

GreenPro Certified

UL Approved Rockwool LRB Mattress

UL Fire Safety Approved

EUCEB Certified Rockwool LRB Mattress

EUCEB Health & Safety Compliant

Applications

Rockwool LRB Mattresses are used in thermal and acoustic insulation across industries.

Pipelines

For hot and cold piping systems up to 750°C.

Boilers & Furnaces

Thermal lining for boilers, furnaces, and process heaters.

Power Plants

Energy-efficient insulation for turbines and high-heat zones.

Tanks & Equipment

Insulation for large industrial tanks and chemical vessels.

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