99.5% Alumina Thermocouple Protection Tube

. Alumina ceramic tube 99.5%
. Material 99.5% alumina oxide
. Color: White, Pink, Yellow
. Shape: One end closed
. Size: Customers' requirement available

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Product Description

Alumina Thermocouple protection tubes are available as a closed end tube with a reusable stainless steel coupling device. This device has 2 ways to use: the thermocouple protection tube can be hung by the flange or attached via the threaded end of the coupling device.

Features:
. Materials:99.5% alumina oxide
. Color: White, pink, yellow
. Shape: One end closed
. Application: Used for all kinds of electric heating equipment and electric equipment, and textile machinery

Specification

Tech-data	Test conditions	Unit	99.5%AL2O3
Density		g/cm3	3.7
Bending Strength		N/m3	>2.74×108
Linear Expansibility	20～1000C	×10-6/0C	-
	20～5000C	×10-6/0C	6.2～7.5
	20～8000C	×10-6/0C	6.5～8.0
Specific Inductive Capacity	1MH2		9～10.5
Specific Inductive Capacity	10GMH2		-
Dielectric Loss Value	1MH2	×10-6	≤1.5
Tangent	10GMH2	×10-6	-
Volume Resistance	1000C	Ω·cm	>1014
	3000C	Ω·cm	>1012
	5000C	Ω·cm	-
Breakdown Strength		KV/mm	-
Thermal Conductivity	200C	W/m·K	29.2