Non-Asbestos · Cement Industry · 1100°C

1100°C Calcium Silicate
Insulation Blocks

1100°C calcium silicate insulation blocks based on xonotlite (6CaO·6SiO₂·H₂O), specifically designed for cement industry applications including cement kilns and preheaters. Density 250–330 kg/m³, standard block size 300 × 150 × 50 mm.

1000°C
Long-term Service
250–330
kg/m³ Density
≥0.6 MPa
Flexural Strength

Product Introduction

These 1100°C calcium silicate insulation blocks are specifically engineered for the cement industry, providing reliable thermal insulation for cement kilns, preheaters and other high-temperature cement processing equipment.

Based on xonotlite (6CaO·6SiO₂·H₂O), these blocks offer superior temperature resistance compared to ordinary calcium silicate materials, with a long-term service temperature of 1000°C.

The compact block format (standard size 300 × 150 × 50 mm) allows for easy installation and precise fitting in cement kiln linings and preheater systems.

Standard Size: 300 × 150 × 50 mm (standard block size). Board sizes also available: 1230 × 500 mm, 1200 × 600 mm, 1080 × 950 mm, 1000 × 500 mm, 600 × 300 mm, thickness 25–125 mm (custom sizes available)

Product Characteristics

  • Excellent thermal resistance — can bear continuous heating load up to 1000°C long-term, designed specifically for cement kiln environments.
  • Low thermal conductivity — thermal conductivity formula: ≤0.058 + 0.00011t W/m·K, excellent insulation across all temperature ranges.
  • Light weight, high specific strength — density 250–330 kg/m³, optimal weight for cement kiln insulation.
  • Long term durability — no powder produced in the process of using, maintaining structural integrity over time.
  • Non-toxic and safe — contains no asbestos, sulfur, chlorine or other harmful substances. A1 non-flammable grade.
  • Moisture recoverable — absorbs water, but after drying the performance remains unchanged.

Product Gallery

High temp 1100°C calcium silicate blocks cement industrykg/m³ — manufactured by HR RHINO

Technical Data Sheet

Non-asbestos 1100°C Calcium Silicate Board, density: 500 kg/m³

Chemical Composition
SiO₂ % 52 Min
CaO % 40 Min
Al₂O₃ % 0.3 Max
Fe₂O₃ % 1.0 Max
Physical Properties
Bulk Density kg/m³ 250–330
Flexural Strength MPa ≥ 0.60
Thermal Conductivity W/m·K ≤ 0.058 + 0.00011t
Long-term Service Temperature °C 1000
Linear Thermal Shrinkage % ≤ 1.5 (1000°C, 3h)
Dimensions and Tolerances
Length mm (±2mm) Width mm (±2mm) Thickness mm (±2mm)
300 (Block) 150 50
1230 500 25–100
1200 600 25–100
1080 950 25–100
1000 500 25–125
600 300 25–125
Customized block sizes and board sizes available upon request

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