Thermal Ceramics

KRST Therma Ceramicl products are the optimal choice for safety and quality

in high-temperature work environments.

Product List

Ceramic Fiber Blanket

A high-strength needled thermal insulation product made from ceramic, bio, or alumina fiber bulk.

Properties

  • Excellent thermal shock resistance
  • Outstanding thermal stability
  • High tensile strength
  • Low thermal conductivity
  • Low heat capacity

Applications

  • Pipe wrap
  • Backup thermal insulation for various furnaces and kilns
  • Thermal insulation for piping
  • Lining for annealing furnaces
  • Lining for process heating furnaces
  • Gaskets for various furnaces

Specifications

Thickness (mm) Width (mm) Length (mm)
12.5 610(600) 14,400
25 7,200
50 3,600

Product Properties

Category RCF AES(Bio) alumina Fiber
STD HZ 1100AES 1300AES
Classification Temperature (℃) 1260 1430 1100 1300 1600

Chemical Composition (%)

Section RCF AES alumina Fiber
STD HZ 1100AES 1300AES 1600PCW
Al2O3 ≥43 ≥35 - - 71~73
SiO2 ≥54 ≥49 62~68 ≥70 27~29
ZrO2 - ≥15 - - -
CaO - - 26~32 - -
MgO - - 4~7 - -
CaO + MgO - - 26~32 ≥20 -
Color White White White White White
Shot Content (%) ≤15 ≤12 ≤12 ≤12 ≤1
Density (㎏/㎥) 64
96
128		 96
128		 64
96
128		 96
128		 96 / 128
Tensile Strength (㎪) 30
50
70		 50
70		 30
50
70		 50
70		 ≥80
Thermal Shrinkage Rate (%) 1000°C ×24h ≤2.5 1350°C ×24h ≤3.0 1100°C ×24h ≤1.0 1260°C ×24h ≤3.0 1400°C ×24h ≤1.0

Thermal Conductivity (W/m•K)

Category STD HZ 1100AES 1300AES 1600PCW
1 2 1 2 1 2 3 1 2
200°C 0.07 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.04 -
400°C 0.12 0.11 0.11 0.10 0.11 0.09 0.08 0.10 0.08 0.09
600°C 0.20 0.19 0.18 0.16 0.17 0.13 0.12 0.18 0.14 0.16
800°C 0.30 0.23 0.20 0.21 0.28 0.20 0.17 0.30 0.22 0.22
1000°C 0.40 0.32 0.27 0.30 0.40 0.28 0.25 0.46 0.33 0.28
1200°C - - - - - 0.68 0.46 - - 0.36
1400°C - - - - - - - - - 0.45