High-temperature insulation bulk fiber is produced by melting high-purity alumina and silica raw materials using a spun process. MaxWool Fiber 2300 fibers are used as the base for blankets, moldables, vacuum-formed boards and shapes products.

A broad range of high-temperature fibers, designed for a variety of industrial and commercial applications including vacuum-formed products, friction, coatings and cements.
Our range comprises Refractory Ceramic Fiber, Low Biopersistent Fibers and Polycrystalline Wool Fibers.
High-temperature insulation bulk fiber is produced by melting high-purity alumina and silica raw materials using a spun process. MaxWool Fiber 2300 fibers are used as the base for blankets, moldables, vacuum-formed boards and shapes products.
Maximum Use Temperature
2300⁰F (1260⁰C)
Chemistry
Alumina, Silica
Composition
RCF (Refractory Ceramic Fiber)
Fiber Index
45-55
High-temperature insulating bulk fiber that, in addition to having the characteristics of MaxWool Fiber 2300 fiber, contains zirconia, which allows it to be used at higher temperatures.
Maximum Use Temperature
2600°F (1425°C)
Chemistry
Alumina, Zirconia, Silica
Composition
RCF (Refractory Ceramic Fiber)
Fiber Index
45-55
MaxWool Fiber 3000 is a polycrystalline wool bulk fiber with mullite chemistry for use temperatures up to 3000°F (1650°C).
Maximum Use Temperature
3000°F (1650°C)
Chemistry
Alumina, Silica
Composition
Composition
High-temperature, low biopersistent bulk fiber with a high fiber index, giving superior insulation and low thermal conductivity values.
Maximum Use Temperature
2200°F (1200°C)
Chemistry
Calcium, Silica, Magnesium
Composition
LBP (Low Biopersistent)
Fiber Index
60-70
THIS IS NUTEC
© NUTEC Incorporated 2025