Product published by Xiamen Unipretec Ceramic Technology Co., Ltd.

High Temperature Tube & Rod

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Chemical & Metallurgy

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Xiamen Unipretec Ceramic Technology Co., Ltd.

No. 153 Yuehua Road, Huli District, Xiamen, CHINA

Business mode production trade service

Category Component / Part Supplier

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186*****402 / i***@unipretec.com

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Product Details

Ceramic furnace tubes, thermocouple protection tubes and insulating rods produced by UNIPRETEC are made of alumina ceramic (Al2O3 > 99%). Alumina possesses a high melting point, strong hardness, and good chemical stability, making it a good material to withstand high temperature and chemical corrosion. The max. using termperature of these tubes & rods can be up to 1800 °C. They are an excellent choice in furnace and temperature measurement whenever safety and stability are required.

>>> Available Specifications

Furnace Tubes

Diameter 27 to 120 x Length 100 to 1750 mm

Thermocouple Protection Tubes
Outer Diameter 5 to 50 x Length 100 to 1750 mm

Insulating Rods
Diameter 1 to 12 x Length 100 to 1800 mm

* Cuotomized requirement is also available, please contact us by email ...info@unipretec.com - or by telephone - +86 592 5510319.

>>> Main Properties

ITEM	UNIT	VALUE
Alumina Content	%	> 99
Density	g/cm³	3.88
Color	-	ivory
Mohs Hardness	-	9
Water Absorption	%	0.01
Flexural Strength at 25 °C	Mpa	350
Leakage Rate at 20 °C	Torr/L. sec	< 10 ^-11
Coefficient of Linear Thermal Expansion at 20 - 1000 °C	mm. 10 ^-6 / °C.m	8.2
Thermal Conductivity	W/m.K	25
Max. Using Temperature	°C	1800
Breakdown Voltage	KV/mm	20
DC Volume Resistivity at 20 °C	Ohm/cm	10 ¹⁴