$China Refractory 99.5% AL2O3 Alumina Ceramic Tube for Thermocouple Protection for sale$

Refractory 99.5% AL2O3 Alumina Ceramic Tube for Thermocouple Protection

Price Negotiable

Price: Negotiable

MOQ: 10pcs

Delivery Time: 7-15days

Brand: GME

Product Description

Refractory 99.5% AL2O3 Alumina Ceramic Tube for Thermocouple Protection

Features

1.Good Electrical Insulation,
2.Max. working temperature: 1800 C
3.Design and make according to the customer's need
4.Chemically inert, anti-acid, anti-alkaline,Superior reliability and durability

Properties:

a) Wear resistant
b) Corrosion resistant
c) Heat resistant .
d) Stable dimensions
e) Lightweight ,
f) Long performance life

Parameter

Tech-data	Test conditions	Unit	95% AL2O3	99.5% AL2O3
Density		g/cm3	>3.60	3.7
Bending Strength		N/m3	2.24*108	>2.74*108
Linear Expansibility	20~1000C	a*10-6/°C	-	-
	20~5000C	a*10-6/°C	6.2~7.5	6.2~7.5
	20~8000C	a*10-6/°C	6.5~8.0	6.5~8.0
Specific Inductive Capacity	1MH2		9~10	9~10.5
Specific Inductive Capacity	10GMH2		9~10	-
Dielectric Loss	1MH2	a*10-6/°C	≤4	≤1.5
Tangent	10GMH2	a*10-6/°C	≤10	-
Volume Resistance	1000C	Ω.cm	>1013	>1014
	3000C	Ω.cm	>1016	>1012
	5000C	Ω.cm	108	-
Breakdown Strength		KV/mm	15	-
Thermal Conductivity	200C	W/m.K	25.2	29.2