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ZC0936 Yttria Stabilized Zirconia (YSZ) Tube

Zirconia (YSZ) Tube Propertie

Zirconia (YSZ ) Tube

Compound Formula ZrO2
Molecular Weight 123.22
Appearance White
Melting Point 2,715° C (4,919° F)
Boiling Point 4,300° C (7,772° F)
Density 5.68 g/cm3
Water absorption <0>
Hardness 1350 HV
Hot expansion coefficient 9.5×10-6 /°C



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Zirconia (YSZ) Tube Description

Zirconia (ZrO2) are extremely refractory materials. They possess excellent chemical inertness and corrosion resistance at temperatures up to 2200℃, well above the melting point of alumina. Zirconia are stabilized in the cubic crystal structure to avoid cracking and mechanical weakening during heating and cooling. In addition to their refractoriness, they offer low thermal conductivity and are electrical conductors above 800 ℃. They also possess the unique ability to allow oxygen ions to move freely through the crystal structure above 600 ℃.

Yttria-stabilized zirconia (YSZ) is a ceramic in which the cubic crystal structure of zirconium dioxide is made stable at room temperature by an addition of yttrium oxide. These oxides are commonly called “zirconia" (ZrO2) and “yttria" (Y2O3), hence the name.

Zirconia (YSZ) Tube Specifications

Item No. (OD x ID x Length, inch)

0.375" OD x 0.25" ID x 8" L (6.35 mm x 9.53 mm x 203 mm)

Size tolerance:  +/- 4%


2" ODx 1.75" ID x 24" L (50.8 mm x 44.45 mm x 609 mm)

Size tolerance:  +/- 4%


2" ODx 1.75" ID x 36" L (50.8 mm x 44.45 mm x 914 mm)

Size tolerance:  +/- 4%

The YSZ tube is very brittle and must be handled very carefully. When used as a processing tube, the heating and cooling rates should be as slow as possible (usually <5>

Packing Service

ACM’s Zirconia (YSZ) Tube is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.


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Yttria Stabilized Zirconia (YSZ) Tube
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by Steve Bernhard on Yttria Stabilized Zirconia (YSZ) Tube

Use these regularly in the lab. They work well and never had a defective piece. Great price, shipping is fast.