Ceramic Fiber InsulationCeramic Fiber Insulation is a key to successfully managing heat loss and increasing temperature retention for high temperature processing equipment including Ovens and Thermal Oxidizers. This type of insulation comes in many different sizes and shapes including modules, or blocks, and blanket.

Ceramic Fiber Insulation Overview

The Ceramic Fiber Insulation is manufactured from refractory ceramic fibers and provides effective solutions for a wide spectrum of thermal management conditions. Utilizing proprietary high output blowing and spinning techniques, blankets and spun modules can be further shaped to offer superior insulating performance, flexibility, and resilience. Standard Ceramic Fiber products are unaffected by most chemicals. Specialty mixtures can help extend the life of Ceramic Fiber in atmospheres that may contain hydrofluoric & phosphoric acids and concentrated alkali. Thermal and physical properties are retained once dried following wetting by oil, steam, or water. The Ceramic Fiber products are completely inorganic, so there are no fumes when heating for the first time. Available in a variety of chemistry, density, and thickness combinations, Ceramic Fiber Insulation is one of the most versatile insulating products available on the market today.

How does Ceramic Fiber Insulation work?

Ceramic Fiber Insulation works by having a low thermal mass which allows it to not retain heat. It is a lightweight insulating product with a low thermal conductivity and a high thermal shock resistance.

Folded Ceramic Fiber blanket can be used to create different density and sizes of folded modules; where the blanket is formed like an accordian and compressed to the desired effectiveness. Folded modules are typically more robust versus spun modules due to their ability to expand during installation and resist abrasion from gases and particulate that is common in many high temperature applications.

A couple of types for folded modules are detailed in the chart below showing differences in properties.

Shrinkage on Heating (%)1,800oF x 24 hr ≤ 5oF2,450oF x 24 hr ≤ 5oF
Thermal Conductivity [BTU/(hr*ft*oF)]
@ 8 lb/ft3 & 1,000oF
≤ 0.088≤ 0.088
Theoretical Density (lb/ft3)10 / 12 / 1410 /12 / 14
Tensile Strength (PSI) @ 8 lb/ft38.78.7
Chemical Composition (%)Al2O345 - 4639 - 40
Al2O3 + SiO297-
Al2O3 + SiO2 + ZrO2-99
ZrO2-15 - 17
Fe2O3< 1.00.2
K2O + Na2O≤ 0.50.2
Dimensions (Thickness x Length x Width, in.)12 x 12 x 4; 12 x 12 x 6
12 x 12 x 8; 12 x 12 x 12
12 x 12 x 4; 12 x 12 x 6
12 x 12 x 8; 12 x 12 x 12