Refractory Insulation Materials

Ceramic Fiber Blanket

Type Blanket

Class. Temp 1260-1430°C

Hengke ceramic fiber blanket is a lightweight, needled refractory insulation material for furnace and kiln linings, back-up insulation, pipe wrap, and high-temperature industrial insulation. It provides low thermal conductivity, good tensile strength, thermal shock resistance, and low heat storage.

Key Advantages

Excellent insulating performance
Excellent thermal shock resistance
High tensile strength
Low thermal conductivity
Low heat storage

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Product Overview

Key Parameters

Product Type

Blanket

Classification Temperature

1260-1430°C

Density Range

64 / 96 / 128 kg/m³

Grade Specifications

Grade Variants -- Technical Parameters

Grade Comparison Table

Grade variants and technical parameters for Ceramic Fiber Blanket
Item	HKXT-1260STD	HKXT-1260HP	HKXT-1350LZ	HKXT-1430HZ
Description	Standard Ceramic Fiber Blanket	High Purity Ceramic Fiber Blanket	Low Zirconia Ceramic Fiber Blanket	High Zirconia Ceramic Fiber Blanket
Classification Temp.	1260°C	1260°C	1350°C	1430°C
Al₂O₃	≥43%	≥44%	--	≥35%
SiO₂	≥54%	≥55%	--	≥49%
ZrO₂	--	--	≥5%	≥15%
Color	White	White	White	White
Shot Content	≤15%	≤15%	≤15%	≤12%
Density	64 / 96 / 128 kg/m³	96 / 128 kg/m³	96 / 128 kg/m³	96 / 128 kg/m³
Mechanical Strength	30 / 50 / 70 kPa	70 / 90 kPa	65 / 85 kPa	70 / 90 kPa
Linear Shrinkage	1000°C x 24h ≤2.5%	1200°C x 24h ≤3.0%	1250°C x 24h ≤3.0%	1400°C x 24h ≤3.0%
Thermal Conductivity	200°C: 0.07 / 0.06 / 0.06 400°C: 0.12 / 0.11 / 0.10 600°C: 0.20 / 0.19 / 0.18	200°C: 0.06 / 0.06 400°C: 0.11 / 0.10 600°C: 0.19 / 0.17	200°C: 0.06 / 0.06 400°C: 0.11 / 0.10 600°C: 0.18 / 0.16	200°C: 0.06 / 0.06 400°C: 0.11 / 0.10 600°C: 0.16 / 0.15