Unexpanded Perlite Ore 1.20 – 2.80 MM | WI-INS-167

Unexpanded Perlite Ore 1.20 – 2.80 MM – Expanded perlite insulation and refractory material engineered by Wedge Insulation for demanding thermal, fire protection, and energy efficiency requirements.

Unexpanded Perlite Ore 1.20 – 2.80 MM Technical Specifications

• Max Service Temperature: Up to 900°C

• Density: 30 – 200 kg/m³ expanded

• Thermal Conductivity: 0.040 – 0.060 W/mK at ambient

• pH: 6.5 – 8.0

• 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

• Refractory and Furnace Insulation

• Cryogenic and LNG Storage

• Construction — Lightweight Insulating Concrete

• Horticulture and Soil Amendment

• Fire Door Core Manufacturing

• 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