High Density Fire Resistant Calcium Silicate Boards | WI-PFP-288

High Density Fire Resistant Calcium Silicate Boards – Rigid calcium silicate insulation board engineered by Wedge Insulation for demanding thermal, fire protection, and energy efficiency requirements.

High Density Fire Resistant Calcium Silicate Boards Technical Specifications

• Max Service Temperature: 650°C – 1200°C (grade dependent)

• Density: 170 – 900 kg/m³ (LD and HD grades)

• Thermal Conductivity: 0.10 – 0.20 W/mK at 400°C

• Compressive Strength: 0.8 – 12 MPa

• Standard Sizes: 600 × 300 mm, 600 × 150 mm, 1000 × 500 mm

• Thickness Range: 6 mm – 100 mm

Key Benefits

✔ Non-combustible — Class A1 fire rating, zero flame spread
✔ High compressive strength for load-bearing insulation applications
✔ Dimensionally stable under continuous thermal cycling
✔ Asbestos-free and RoHS compliant
✔ Excellent machinability — cuts, drills, and shapes without cracking
✔ Low thermal conductivity for superior energy efficiency
✔ Moisture and chemical resistant for harsh industrial environments

Industries Served

• Steel and Aluminium Smelting

• Cement and Lime Kilns

• Glass and Ceramic Manufacturing

• Petrochemical and Refinery Plants

• Power Generation

• Passive Fire Protection — Buildings

• Foundry and Casting

Available Grades:
W-LD650 / W-LD900 / W-LD1100 / HD150 / HD280 / HDT1000

Facing Options:
Plain / Foil-faced / Coated

Form:
Board / Block / Custom fabricated

Supply:
Global supply — India, UK, Europe, Middle East, USA, Asia