Ceramic Fiber Board

CeraTex® 3175 New

White CeraTex boards on blue background.

CeraTex® Ceramic Fiber Board is a high-performance ceramic fiber board made for demanding thermal applications. In many industrial settings, reliable high temperature insulation is very important. For this reason, it is made from premium alumino-silicate fibers to provide steady and dependable heat protection in harsh environments. In addition, because this fiber-based board has a strong and rigid structure, it offers excellent dimensional stability and solid mechanical strength. At the same time, it keeps low thermal conductivity. As a result, it helps improve energy efficiency and reduce heat loss. Because of this, equipment stays protected during high temperature operation, and overall performance improves.

Additionally, this high temperature insulation board is produced through a specialized board-forming process using high-purity, washed ceramic fibers. During production, quality is carefully checked to ensure consistent results. Therefore, the finished ceramic insulation board provides uniform density, smooth surfaces, and reliable thermal performance. Furthermore, this controlled process increases strength and reduces shrinkage when exposed to high heat. In turn, this helps extend product life in continuous high temperature environments.

Overall, CeraTex® Ceramic Fiber Board offers a durable, efficient, and cost-effective insulation solution for furnaces, kilns, boilers, and other high heat industrial equipment.

White foam sheets on blue background.
CeraTex® 3175 – Ceramic Fiber Board – close up
Main Characteristics and Properties
  • White color, light-weight, flexible, good handling strength and good uniformity
  • Resists temperature as high as 2300° F (2000° F continuous use), fire resistant
  • Low thermal conductivity, low heat storage, thermal shock resistant
  • Good dielectric strength
  • Excellent corrosion resistance (Resistant to most chemicals except hydrofluoric, phosphoric acids and concentrated alkalies)

Chemical and Physical Data

Density:  19 lb/cu.ft

Chemical Composition:  Al2O3 40%; total Al2O3 and SiO2 > 96%; Fe2O3 < 0.5%

Compressive Strength:  25 PSI (0.17 MPa)

LOI:  < 8% max

Continuous Use Temperature:  2000° F or less (recommended for optimum performance)

CeraTex® 3175 Ceramic Fiber Board
Thermal Conductivity
Temperature BTU·in/hr·ft2(w/m·k)
@ 500° F 0.38(0.05)
@ 1000° F 0.61(0.09)
@ 1500° F 0.94(0.14)
@ 2000° F 1.40(0.20)
Product Applications
  • Thermal insulation, gasket, seal, lining etc. for high temperature and chemical resistant applications
  • Fire protection, spark and molten metal protection
  • High temperature electrical insulation
  • High temperature filtration

Application industries:  steel and metallurgy, Petro-chemical, automotive, aerospace, appliance, and more

Product Sizes and Options

Thickness: 1/4″, 1/2″, 1″, 2″

Standard Sheet Size: 40″ x 48″ (1000mm x 1200mm)