Custom Alumina Ceramic Tube For Thermocouple Protection And High Temperature Applications

99.5%, 99% And 95% Alumina Ceramic Tubes

Customized For Thermocouple Protection

Industrial Furnaces And Electrical Insulation

High Purity Alumina

Precision Machining

Export Worldwide

99.5%, 99% And 95% Alumina Ceramic Tubes
Customized For Thermocouple Protection
Industrial Furnaces And Electrical Insulation

Our Alumina Ceramic Tube Solutions

Corundum Tube
Item	Eenheid	99.5% Al₂O₃	99% Al₂O₃	95% Al₂O₃
Zuiverheid	%	99.5	99	95
Dichtheid	g/cm³	3.9	3.89	3.6
Poreusheid	%	0	0	0
Firing Temperature	°C	1800	1700	1680
Hardheid	HV	1700	1600	1500
Buigsterkte	kgf/cm²	3500	3500	3000
Druksterkte	kgf/cm²	30000	30000	25000
Breuktaaiheid	MPa·m^1/2	4	3.8	3–4
Max. bedrijfstemperatuur	°C	1700	1600	1450
Thermische uitzetting	cm/cm/°C	8×10⁻⁶	8×10⁻⁶	8×10⁻⁶
Thermische geleidbaarheid	W/m·K	27	25	22
Volumeweerstandsvermogen (ohm·cm)	20°C	10¹⁴	10¹⁴	10¹⁴
	100°C	10¹³	10¹³	10¹³
	300°C	10¹²–10¹³	10¹²–10¹³	10¹²–10¹³
Diëlektrische sterkte	Volt/mil	220	216	210