Vật liệu cách điện gốm công nghiệp 99 Ống gốm alumina cao

Product Description Alumina Ceramic tube with Flange is used when conditions exclude the use of metal, either for chemical reasons or because of excessive temperatures.Their main applications are between 1000 and 1800°C. They may be in directly contact with the medium or may be used as a gas-tight inner sheath to separate the thermocouple from the actual metal protection tube.
Ceramic tubes should be mounted in a hanging position above 1200°C to prevent distortion or fracture due to bending stresses. Evenhair-line cracks can lead to contamination of the thermocouple resulting in drift or failure. Alumina ceramic tube provide a broad range of engineering properties: High Temperature-Superior Strength-Corrosion Resistance-Thermal & Electrical Insulation along with other specialized characteristics.
Custom Ceramic Rod & Ceramic Tube Manufacturer
• Tolerances held to ± .0001
• Diameter .007 to 3.00"
• Thickness .010 up to your requirement

-Precision Close, Tight Tolerances,
-Ceramic Rods & Ceramic Tube machined to customer specifications-Prototype to Production-Intricate ceramic machining -Alumina is widely used in automotive,petro-chemical, fluid control material transfer,industry, electrical and electronic, semiconductor.

Alumina Ceramic Tube Properties:
>High Temperature Resistance
>Excellent Wear Resistance
>Chemical Resistance
>Electrical Insulation
>Mechanical Strength
>Precision Engineering
>Biocompatibility
>Thermal Insulation
>Lightweight
>Cost-Effectiveness Product Parameters

Alumina Ceramics Properties
Unit	95%	99%
Density	g/cm3	3.6	3.8
Water absorption	%	<0.4	<0.2
Firing temperature	°C	1600	1800
Hardness	HRA	70	80
Coefficientoflinearexpansion	*10-6/°C	5.5	5.3
Dielectric constant	9	10.5
Volume resistivity	Ω·cm	-	1013
Breakdownvoltage	KV/mm	14	15
Breaking strength	Mpa	250	300

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