Alumina Ceramic Dee Tubes, Open Both Ends

High purity alumina ceramic process dee tube for offering a flat work surface to slide into and out of the tube furnace hearth for metal casting or ceramic sample preparation, designed to fit our 80-120mm OD TF furnaces. 

Please contact us for Customized Dee Tube

Alumina (Al2O3) is a versatile, offers a wide temperature range, durability, and resistance to many chemistries, making it an ideal selection for high temperature chemistry and material processing. Alumina Dee Tubes are available in different dimensions, including with slots for holding wafers and other types of samples. Contact us for custom shapes and sizes.

Features

• Open both ends
• Alumina: > 99.5%;  Fe2O3: < 0.01%
• 100% impervious
• Maximum working temperature: 1750°C or 3180°F
• Rated vacuum pressure: 0.001 Pa / 0.0075 millitorr / 0.00001 mbar
• Rated positive pressure: 0.02 MPa / 150 torr / 3 psi
• Tolerance: <4.9 mm

Details of Options:

1.99.8% Al2O3 Alumina Ceramic dee tubes 152mm length open both ends to fit 80mm OD 70mm ID tubes
SKU: Dtube-RFC56509-01
$4563 for a set of three 3x D-tubes 152mm length for 80mm OD 70mm ID tubes

99.8% ALUMINA DEE TUBE
OPEN BOTH ENDS
TO FIT IN A 70.00MM (2.756″) ID TUBE
WD: 60.63+/-2.43MM (2.387+/-0.096″)
HGT: 17.50+/-1.27MM (0.689+/-0.050″)
LG: 152.00+/-1.60MM (5.984+/-0.063″)
NOMINAL WALL: 4.00MM (0.157″)

2. 99.8% Al2O3 Alumina Ceramic dee tubes 205mm length open both ends to fit 80mm ID tubes
SKU: Dtube-RFC56509-02
$4752 for a set of three 3x D-tubes 205mm length for 80mm OD 70mm ID tubes

99.8% ALUMINA DEE TUBE
OPEN BOTH ENDS
TO FIT IN A 70.00MM (2.756″) ID TUBE
WD: 60.63+/-2.43MM (2.387+/-0.096″)
HGT: 17.50+/-1.27MM (0.689+/-0.050″)
LG: 205.00+/-1.60MM (8.071+/-0.063″)
NOMINAL WALL: 4.00MM (0.157″)

3. 99.8% Al2O3 Alumina Ceramic dee tubes 152mm length open both ends to fit 100mm OD 92mm ID tubes
SKU: Dtube-RFC56509-03
$4730 for a set of three 3x D-tubes 152mm length for 100mm OD 92mm ID tubes

99.8% ALUMINA DEE TUBE
OPEN BOTH ENDS
TO FIT IN A 3.625″ (92.08MM) ID TUBE
WD: 3.139+/-0.157″ (79.74+/-4.00MM)
HGT: 0.906+/-0.050″ (23.01+/-1.27MM)
LG: 5.984+/-0.063″ (152.00+/-1.60MM)
NOMINAL WALL: 0.157″ (4.00MM)

4. 99.8% Al2O3 Alumina Ceramic dee tubes 205mm length open both ends to fit 100mm OD 92mm ID tubes
SKU: Dtube-RFC56509-04
$4730 for a set of two 2x D-tubes 205mm length open both ends to fit 100mm OD 92mm ID tubes

99.8% ALUMINA DEE TUBE
OPEN BOTH ENDS
TO FIT IN A 3.625″ (92.08MM) ID TUBE
WD: 3.139+/-0.157″ (79.74+/-4.00MM)
HGT: 0.906+/-0.050″ (23.01+/-1.27MM)
LG: 8.071+/-0.063″ (205.00+/-1.60MM)
NOMINAL WALL: 0.157″ (4.00MM)

5. 99.8% Al2O3 Alumina Ceramic dee tubes 152mm length open both ends to fit 120mm OD 111mm ID tubes
SKU: Dtube-RFC56509-05
$5238 for a set of three 3x D-tubes 152mm length open both ends to fit 120mm OD 111mm ID tubes

99.8% ALUMINA DEE TUBE
OPEN BOTH ENDS
TO FIT IN A 4.375″ (111.13MM) ID TUBE
WD: 3.789+/-0.190″ (96.24+/-4.83MM)
HGT: 1.094+/-0.055″ (27.79+/-1.40MM)
LG: 5.984+/-0.063″ (152.00+/-1.60MM)
NOMINAL WALL: 0.157″ (4.00MM)

6. 99.8% Al2O3 Alumina Ceramic dee tubes 205mm length open both ends to fit 120mm OD 111mm ID tubes
SKU: Dtube-RFC56509-06
$5066 for a set of two 2x D-tubes 205mm length open both ends to fit 120mm OD 111mm ID tubes

99.8% ALUMINA DEE TUBE
OPEN BOTH ENDS
TO FIT IN A 4.375″ (111.13MM) ID TUBE
WD: 3.789+/-0.190″ (96.24+/-4.83MM)
HGT: 1.094+/-0.055″ (27.79+/-1.40MM)
LG: 8.071+/-0.063″ (205.00+/-1.60MM)
NOMINAL WALL: 0.157″ (4.00MM)

Customized Dee Tubes with slots for wafers or other types of samples are available upon request. Contact us to quote.