Thin Insulation with Big Thermal Capabilities

Excelfrax® 550 Felt is manufactured from specially blended glass fibers – engineered for maximum thermal performance with minimal thickness – the perfect solution for high-speed appliances that require space-saving technology.

Product Information Sheet

Excelfrax® 550 Felt is lightweight, flexible, and contains no organic binder

Temperature Grade
932°F / 500°C
Composition

Glass Microfiber

Chemistry
Specially Blended Glass Fibers

Excelfrax 550 Felt is manufactured from specially blended glass fibers and contains no organic binder. Excelfrax sheets are self-supporting, flexible, and lightweight. These exceptional thermal performance characteristics produce no emissions on firing. Our premium Felt exhibits thermal performance approaching that of Microporous products and can be used whenever space is limited, or premium thermal performance is required.

Excelfrax 550 sheets are available in a wide range of standard sizes. Sheets are easy to cut, convenient to handle, and can be formed into geometrically demanding shapes or wrapped around complex contours.

Typical applications

Appliances

  • Compact, high speed ovens
  • Bakery/bread ovens
  • Domestic appliance (ovens, heaters, boilers etc.)

Automotive

  • Heat shields

General Use and Other Industries

  • High-performance backup insulation

General Characteristics

ICON: Exceptionally low thermal conductivity

Exceptionally low thermal conductivity

ICON: Organic binder free – no smoke or fumes

Organic binder free – no smoke or fumes

ICON:Resistance to thermal shock

Resistance to thermal shock

ICON: Good handling strength

Good handling strength

ICON: Extensive thickness range

Extensive thickness range

ICON: Easy to cut and install

Easy to cut and install

Learn more about Excelfrax 550 Felt: Premium thermal performance. Space-saving technology.

Contact us today