Ceramic Thermocouple Protection Tubes

     Ceramic  Thermocouple Protection Tubes     99 High Purity Alumina  Tube     we can provide tubes in single, double and 4-bore tubing and multi-bore tubing at stocked lengths.We can also accept custom.   Alumina Tubes is the the workhorse of the advanced technical ceramic tubes. It has good mechanical and electrical properties, wear resistance and corrosion resistance. It has relatively poor thermal shock resistance.         We can customize for you according to your samples or drawings .Welcome to contact us!     Property of material:

Material	85 Al2o3	95 Al2o3	99.7 Al2o3
Al2o3	85%	94%	99.60%
Fe2o3	≤ 1.0	≤ 0.5	≤ 0.3
Density: g / cm3	3.4	3.6	3.85
Vickers Hardness	≥ 8.6	9	9
Water Absorption:%	≤ 0.2	≤ 0.085	≤ 0.01
Refractoriness:°C	1200 °C	1600 °C	1800°C
Flexural Strength:Mpa	180	240	280
Wear Rate( at room temperature, erosion, 100 grinding)%	≤ 3	≤ 1	≤ 0.5

       

Specification		OD (mm)	ID (mm)	Length (mm)	Remark
Thermocouple protection tube		7-120	5-110	10-2000	we can customize as per your requirements!
Insulated tube	Single hole	3-120	1-110	10-2000
	Double holes	2-10	0.5 - 2	10-2000
	Four holes	2-10	0.5 -2	10-2000