Innovacera High Temperature Small Alumina Ceramic Heating Element Heater Disc for Hot Melt Glue Gun
Product Details
| Certification: | RoHS |
|---|---|
| Type: | Ceramic Heater |
| Material: | Alumina |
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Basic Info.
- 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 ℃
- 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
. 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: 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
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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