Expanded Perlite Boards | WI-CSB-005
Expanded Perlite Boards – Expanded perlite insulation and refractory material engineered by Wedge Insulation for demanding thermal, fire protection, and energy efficiency requirements.
Expanded Perlite Boards Technical Specifications
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Max Service Temperature: Up to 900°C
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Density: 30 – 200 kg/m³ expanded
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Thermal Conductivity: 0.040 – 0.060 W/mK at ambient
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pH: 6.5 – 8.0
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Particle Size: 0.5 – 6 mm
Key Benefits
✔ Ultra-lightweight — reduces structural and system weight
✔ Excellent thermal insulation at high temperatures
✔ Non-combustible — Class A fire rating
✔ Chemically inert — no reaction with most materials
✔ Available loose-fill or in board form
✔ Cost-effective for large-volume insulation applications
Industries Served
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Refractory and Furnace Insulation
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Cryogenic and LNG Storage
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Construction — Lightweight Insulating Concrete
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Horticulture and Soil Amendment
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Fire Door Core Manufacturing
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Cold Storage Insulation
Grade Options:
Unexpanded ore / Expanded / Board
Bulk Density:
30 – 120 kg/m³
Forms:
Loose fill / Board / Concrete aggregate
Supply:
Global supply — India, UK, Europe, Middle East, USA, Asia
