Refractory Insulation Materials

Ceramic Fiber Board

Type Board

Class. Temp 1260-1430°C

Hengke ceramic fiber board is a rigid, lightweight refractory insulation board made from ceramic fiber and binders through a wet forming process. It is suitable for furnace hot-face lining, back-up insulation, expansion joints, and kiln insulation systems requiring low thermal conductivity and good mechanical stability.

Key Advantages

Rigid and lightweight structure
Excellent thermal shock resistance
Low thermal conductivity
Suitable for hot-face and back-up insulation
Can be machined, cut, and shaped easily

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Product Overview

Key Parameters

Product Type

Board

Classification Temperature

1260-1430°C

Density Range

300 kg/m³

Grade Specifications

Grade Variants -- Technical Parameters

Grade Comparison Table

Grade variants and technical parameters for Ceramic Fiber Board
Item	HKXB-1260STD	HKXB-1260HP	HKXB-1430HZ
Description	Standard Ceramic Fiber Board	High Purity Ceramic Fiber Board	High Zirconia Ceramic Fiber Board
Classification Temp.	1260°C	1260°C	1430°C
Color	White	White	White
Density	300 kg/m³	300 kg/m³	300 kg/m³
Mechanical Strength	MOR ≥0.8 MPa Compressive Strength 0.25 MPa	MOR ≥0.8 MPa Compressive Strength 0.30 MPa	MOR ≥0.8 MPa Compressive Strength 0.30 MPa
Linear Shrinkage	1000°C x 24h ≤3.0%	1200°C x 24h ≤3.5%	1400°C x 24h ≤3.5%
Thermal Conductivity	400°C: 0.08 600°C: 0.11 800°C: 0.14 1000°C: 0.19	400°C: 0.07 600°C: 0.10 800°C: 0.14 1000°C: 0.19	400°C: 0.07 600°C: 0.09 800°C: 0.13 1000°C: 0.18