High Temperature High Purity 99.97% Alumina Ceramic Tube

Basic InfoModel NO.: HS-Alumina tubeStructure: PortableCertification: CE, TUVType: Heating TypeMechanical Strength: GoodPurity: 95%-99.7%Transport Package: Wooden BoxOrigin: Zhengzhou, ChinaCustomized: CustomizedMaterial: AluminaApplication: School, LabHeat Resistant: GoodM

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Product Details

Product Description
High Purity Alumina Ceramic Tube
Introduction of alumina ceramic tube
1. We produce 95-99.7% alumina crucibles, boats, insulating parts, rods, wear resistance parts, high temperature ceramic parts etc of alumina ceramic tube products.
2. Mainly used in thermolcouple temperature, liquid steel continuous temperature, various industrial furnace of alumina ceramic tube.
3. Especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry of alumina ceramic tube.
Features
1.High quality 99.7% alumina tubes
2.Diameter from 1mm to 120mm,Length from 100mm to 2000mm, multi bores tubes can be made.
3.Max working temperature 1800
4.Out surface can be grinded drilling hole to make tight tolerance and right instillation.
5.Great mechanical strength.
6.Good heat resistant.
7.Good quality and best price.
8.Long life time.
9. Large quantity in stock makes fast delivery and competitive prices.

Standard sizes

Furnace Tube
Diameter OD/ID (mm)	30/25	40/34	50/44	60/53	70/63	80/70	85/75	90/80	100/90	110/100
Max Length (mm)	2000	2000	2000	2000	2000	1700	1600	1600	1500	1200
Thermocouple Protection Tube
Diameter OD/ID (mm)	5/3	6/4	8/5	10/7	12/8	14/10	15/10	16/12	17/14	20/16	25/19
Max Length (mm)	300	1000	1600	2000	2000	2000	2000	2000	2000	2000	2000
Thermocouple Insulator
	Single Bore			Double Bores				Four Bores
Diameter OD/ID (mm)	OD1-12 ID0.5-8			OD1-12 ID0.2-4				OD1.6-12 ID0.35-3.5
Max Length (mm)	2000			2000				2000

Other sized tubes can be made according to your need!

Technical Data Of Alumina Tubes

Al2O3 content %	70-75	85	95	99.7
Density(g/cm3)	3.0	3.4	3.7	3.9
Bending Strength(Mpa)	85N/MM2	300	364	450
Expansion (X10-6/°C)(25-800°C)	6	7	7.6	8
Thermal Conductivity (W/(m.R))	17	18	20	35
Dielectric Strength(kv/mm)	9	10	11	12
Working Temperature °C (Long time use)	1300	1400	1600	1750
Water Absorption %	5	<0.2<>	<0.2<>	<0.1-0.2<>