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A1321 Heating Element

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Negotiable
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seat:
Fujian
Validity to:
Long-term effective
Last update:
2020-06-17 11:10
Browse the number:
388

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Xiamen Green Way Electronic Technology Co., Ltd

Contactaixin: geruiweiye(Mr.): Email:
telephone:
phone:; Arrea:
Fujian
Address:
NO.8057, Xiang'an West Road, Xiamen city, Fujian Province, China.; Website:
http://www.ceramicheatingchina.com/ http://geruiweiye.cnhuasu.com/

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Alumina Ceramic Heating Elements

A1321 Heating element produced by implementing ceramic lamination processes. Due to the compactness, high power and rapid heating speed. Ceramic Heater can provide higher reliability than ever before. Mainly applications include use as innovative types of heaters in the automotive, medical and semiconductor industries.

Process of Ceramic Heater

First, painting the high melting point metal (tungsten or molybdenum manganese) paste on to the Al₂O₃ casting briquette in coordinate to the circuit design, then another layer of sintering additives. After that, repeating the process to build multiple layers. Then, they are sintered together under 1600 °C hydrogen gas environment. Finally, nickel leads are brazed at 800 °C onto the metal end and put on with Teflon sleeve, which make it a MCH heating element.

Internal Heating elements are protected from oxidation due to sintering into one-piece ceramic body structure.

Material Properties of 95% Al₂O₃ Alumina ceramic

Item	Inspection Condition	Unit	Standard
Color			White
Density		g/cm³	3.7
Water absorption		%	0
Average grain size		μm	3～5
Hardness	Load 4.9N 4.9N	GPa	≥15
Flexural strength		MPa	≥274
Linear expansion coefficient	20～500℃	1×10-6mm/℃	6.5～7.5
Linear expansion coefficient	20～800℃	1×10-6mm/℃	6.5～8.0
Thermal conductivity	20℃	W/(m·K)	≥20.9
Specific heat		kJ/(kg·K)	≥0.8
Insulation strength		KV/mm	≥12
Volume resistivity	20℃	Ohm.cm	≥10¹⁴
	300℃		≥10¹¹
	500℃		≥10⁹
Permittivity	1MHz		9～10
Dielectric loss tangent	1MHz		≤3×10^-4
Surface roughness		μm	0.3～0.8

Parameter of A1321 Heating Element

Heater Name	A1321 Ceramic Heating Element
Working Voltage	24V
Working Power	50W+/-10%
Dimension	Length 60mm* diameter 3.8mm or Customization
Heating Resistance	3 ohm+/-10%
Sensor Resistance	50ohm+/-10%
Leads	Nickel wires
Working Temperature	400~500 ℃
Insulation Sleeve	Accordingly

Application

The aluminum ceramic heating core are widely used in all kinds of applications nowadays, such as: intelligent bidet seat, electric water heater, medical machine, dryer, electric heating splint, electric iron, vacuum flask, electric cooker, electric bonder, capper, UTR cylinder condensation-proofer, IR physiotherapy equipment, intravenous injection heating, quick food heating, mini thermostatic bath for special crystal parts, automatic exhaust oxidation sensors, industrial equipment heater, and small heating appliance, etc.

http://www.ceramicheatingchina.com/

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