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2.36" x 2 1/8" (60 OD x 54 ID x 790mm L) Alumina Ceramic Tube - EQ-TA-60D-M790-LD

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2-2/5" OD larger diameter Alumina tube is made in USA with high purity 99.8% ( 998) Al2O3 material. 998 alumina tube can be used at operating temperatures to 1750 oC in both oxidizing and reducing atmospheres. Tubes have been evacuated to 10-7 Torr at room temperature. 998 alumina tube proves inert to carbon and refractory metals in many severe situations: SPECIFICATIONS

Purity Al2O3 > 99.8%
Density > 3.91 g /cm3
I.D 2-1/8"+/- 0.02 (53.5 +/- 0.5 mm)
O.D 2.36"+/- 0.02 (60 +/- 0.5 mm)
Length 790 mm (31.1")
Detailed demension drawing
Max. working temperature 1750 oC
  • Please don't use alumina tube under vacuum at temperature > 1500 oC
  • Mcdanel strongly recommends keep ramp rate less than 100oC/ hour
  • Please keep theral gradient less than 100oC/ inch to avoids cracking
  • Parts should not be placed directly onto the inside surface of a hot furance tube incase of thermal shock
  • Please handle the tube carefully. Warranty does not include tube (but only for machine MTI provided)
Application Notes Ceramic Crucibles ( Alumina, Quartz and Zirconia etc )

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