Innovacera High Temperature Small Alumina Ceramic Heating Element Heater Disc for Hot Melt Glue Gun

• Certification: RoHS
• Type: Ceramic Heater
• Material: Alumina
• Form: Heating Wire
• Shape: Plate
• Condition: New
• Usage: Hair Straighteners, Electronic Device
• Power Source: Electric
• Color: White
• Wattage: Customized
• Dimension(L*W*H): Customized
• Working Temperature Range: -50 - 500 ºC
• Weight: 0.1 Kg
• Function: Heating Element
• Key Selling Points: Sustainable
• Core Components: Ceramic Heater
• Advantage: Speed up Fast, High Temperature
• Voltage: 3.7-220V
• Machinery Test Report: Provided
• Transport Package: Carton Packing
• Specification: Customized
• Trademark: INNOVACERA
• Origin: Fujian, China

Product Description

Product Description

 

Main Features
. Compact ,Light-Weight and Energy-Conserving
· High watt density, good thermal efficiency
· Laying of multiple heating elements per unit is available Superior Thermal Properties
· Rapid heat increase
· Custom designed temperature distribution available
· High levels of insulation allow direct contact with water, kerosene and metal

High Reliability
· Superior dielectric strength and electrical insulation
· Longer life due to oxidation-proof design on resistivity material
· Superior chemical resistance

 

 

 

Material performance

Material: Alumina
Maximum operation temperature :1000
Thermal conductivity (20): 18W/(m.K)
Specific heat (20):0.78×103 J/(kg.K)
Coef.of liner thermal expansion (40~800)
Vickers hardness (Load 500g):12.3 Gpa
3-point flexural strength: 340 MPa
 

Alumina Ceramic Properties
Properties	Units		Alumina Ceramic
Purity	wt%		95%	99%	99.8%
Volume Density	g/cm3		3.65	3.8	≥3.89
Water Absorption	%		0	0	0
Crystal Size(Grain Size)	μm		4-5	4-5	4-5
Vickers Hardness, HV1.0	Gpa		14	1600	≥15
Flexural Strength	Mpa		300	310	≥300
Coefficient of Linear Expansion	20-500ºC	1x10-6 mm/ºC	6.5-7.5	6.5-7.5	6.5~7.5
	20-800ºC		6.5-8.0	6.5-8.0	6.5~8.0
Thermal Conductivity	W/m·K( 20ºC)		20	25	≥20.9
Specific Heat Capacity	KJ/(kg·K)		≥0.8	≥0.8	≥0.8
Dielectric Strength	KV/mm		≥12	15*106	≥12
Volume Resistivity	Ω·cm 20ºC		≥1014	≥1014	≥1014
	Ω·cm 300ºC		≥1011	≥1011	≥1011
	Ω·cm 500ºC		≥109	≥109	≥109
Dielectric Constant	1MHz		9	9-10	9-10
Tangent of Dielectric Loss	1MHz		≤4x10-4	≤2x10-4	≤3x10-4
Surface Roughness	μm		0.4 After Machine	0.1-0.4 After Machine	0.1-0.4 After Machine
Max Working Temperature	ºC		1600	1600	1650

 

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