99.7% Al2O3 Alumina Ceramic Tubes for Thermocouple Protection

• Customization: Available
• Feature: Long Time Materials
• Refractoriness (℃): 1580< Refractoriness< 1770
• Model NO.: alumina tube
• Shape: Pipe
• Type: Refractory Material
• Material: Alumina Cement
• Transport Package: Wooden Cases
• Specification: customized
• Trademark: SHIBO
• Origin: China
• HS Code: 6902200000
• Production Capacity: 20tons/Month

Product Description

Our tubes can work as high temperature tubes.
According to temperature difference we uaually provide 95% alumina tubes and 99.7% alumina tubes for this usage

MAX working temperature: 95% alumina tube, 1550C;
99.7% alumina tubes, 1800C.

 Industrial 95% 99.7% Al2O3 Alumina Ceramic Tube Technical Data

Al2O3 content%	95	99.7
Density(g/cm 3 )	3.6	3.9
Bending Strength(Mpa)	364	450
Expansivity(X10 -6 /°C)(25-800°C)	7.6	8
Thermal Conductivity(W/(m.R))	20	35
Dielectric Strength(kv/mm)	11	12
Max Temperature°C (Long time use)	1500	1800
Water Absorption%	<0.2	<0.1

Two types: two ends open and one end closed

Standard sizes:
50/40mm x 1000mm
60/50mm x 1000mm
80/70mm x 1000mm
90/80mm x 1000mm
100/90mm x 1000mm.

The sizes are only for referance, we also have other sized tubes in stock, Special sized tuebs can be made according to clients.

If you're interested in our tubes please contact with us. We believe you'll be surprised by our fast delivery, competitive prices, and high quality.