High Temperature Insulation Blankets – AES, RCF and PCW Fibers

Morgan Advanced Materials offers a remarkably extensive range of high temperature insulating fibre blanket products for effective thermal management in specified applications. The company’s thermal fibre blankets are employed for protecting equipment, conserving energy and improving process performance in some of the most challenging high temperature industrial environments present in the world.

The range comprises of three fibre grades:

  • Refractory Ceramic Fibre (RCF) also called Alumino Silicate Wool (ASW) blankets developed from Cerachem®, Kaowool®, Cerablanket® and Cerachrome®
  • Polycrystalline Fibre (PCW) blankets produced from Denka® fibres
  • Alkaline Earth Silicate Fibre (AES) blankets developed from, low bio-persistence Superwool® fibres

AES (Superwool)

The Superwool blanket products offer excellent performance-to-weight ratio and are considered to be resistant to chemical attack. Superwool is known to be the only low bio persistence fibre that is commercially available with a classification temperature of 1300 °C (2372 °F).

Superwool is an engineered solution that is perfectly suitable as an alternative solution to RCF based fibres in a few applications. Benefits of Superwool fibres are as follows:

  • The Superwool Plus fibres feature less shot resulting in a tighter fibre matrix
  • Lower density grade of Superwool instead of an RCF material features material weight savings up to 25%
  • Lower thermal conductivity over some RCF fibre materials resulting in an enhanced insulation performance by up to 20%

Superwool fibres are exonerated and are not categorized as carcinogenic by IARC or under any national regulations on an international basis. They have no requests for warning labels under Globally Harmonized System (GHS) for the classification and labeling of chemicals. In Europe, Superwool fibres are capable of meeting the demands specified under NOTA Q of European Directive 67/548. All Superwool fibre products are thus exempt from the classification and labelling regulation in Europe.

RCF

All the RCF blankets are air laid into a continuous mat and then mechanically needled for additional surface integrity and strength. They are strong and lightweight for easier installation, and also comprise of low thermal conductivity and heat storage capacity for efficient energy savings, and good thermal shock resistance for use in challenging environments.

Kaowool blankets feature high tensile strength, controlled density and resiliency and are thus classified to 1260 °C (2300 °F). Cerablanket is classified up to 1315 °C (2400 °F) and is a spun blanket that has been manufactured from a superior purity blend of alumina-silica. Cerachem and Cerachrome offer exceptional chemical strength and stability and have superior thermal and also acoustic insulation characteristics. They are classified to 1426 °C (2600 °F).

PCW

The PCW fibres are perfect for chemically aggressive and high temperature applications. These fibres are produced by sol-gel technology through processes explicitly designed to produce fibres of defined dimensions.

Denka blankets are considered to be more resistant to alkaline and acid solutions than standard alumino-silicate fibre blankets and have remarkably good thermal insulation characteristics. They are classified to 1600 °C (2912 °F). The high temperature insulating fibre blankets offer thermal insulation in processing of petrochemicals, cement, metals, ceramics and glass, and are employed by manufacturers of equipment for automotive, marine, aerospace and domestic applications. Typical applications are as follows:

  • Chimney and duct insulation in power generation plants
  • Pipe insulation in high temperature processing plants
  • Linings and back-up insulation for all types of heaters, furnaces and kilns
  • Insulation of hot boxes and steam turbines
  • Exhaust and heat shield cladding
  • Vehicles and domestic appliance insulation

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