Yttria Textiles and Fibers, type Y

YTTRIA FELT and FIBERS

TYPE Y

Features

  • High Purity
  • High Temperature Stability
  • Low Thermal Conductivity
  • Excellent Thermal Shock Resistance
  • Three Product Formats Offered
  • Available ‘Off the Shelf’

Yttria (yttrium oxide – Y2O3) is typically used as a stabilizer for zirconia. It is offered here in
its pure and stable metal oxide form, which is not attacked by most molten metals, including lithium and titanium. Our high purity yttria fiber and textiles are offered in three different
standard product forms; bulk fiber Type YBF, two felts Types YF-50 and YF-100.

APPLICATION INFORMATION

Yttria felt is used as thermal insulation for high temperature microwave sintering and in the
development of large grain Rare Earth Barium Copper Oxide (REBCO) melt processed
high temperature superconductors (HTS).

PROPERTIES & CHARACTERISTICS

YF-100
Nominal Composition, Wt%
Y2O3 99+
Fe2O3 0.02
SiO2 0.02
Al203 0.003
Melting Point, °C (°F) 2410 (4370)
Bulk Porosity, % 93
Bulk Density, g/cc (pcf) 0.37 (23)
Tensile Strength, g/cm width (lb/in width) 198 (1.11)
Loss on Ignition, 1 hr at 950°C (1742°F), Wt% 5
% Shrinkage, 1 hr at 1650°C (3002°F) 9

ORDERING INFORMATION

Type Y Fibers and Textiles are available in three standard product forms, which are listed in
the table below with their ordering item number. Please contact our Sales Department for
pricing and availability.

Standard Sizes Item Number
YF-50, FELT, 12″ X 12″ X ~0.05″ E02A01
YF-100, FELT, 12″ X 12″ X ~0.1″ E02B01
YBF, BULK FIBER, 1 pound E02F01

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