Silicon nitride heating element for green car fuel cell stack module(FCSM)

Description
Drypoint heating type silicon nitride heating element
 
Electrical performance parameters:
 
Rated voltage: 55V~250V;
Frequency: 50/60Hz;
Rated power: 300W~450W;
 
 
Hot press silicon nitride ceramic heating element performance, characteristics
 
This product uses high-performance silicon nitride ceramics as the substrate, high-temperature mechanical strength, thermal shock resistance, acid, and alkali corrosion, both excellent insulation properties, and good thermal conductivity, plus the company's proprietary formula And hot press manufacturing technology, this product has the following outstanding performance and characteristics:
 
·Insulation electric strength: no breakdown at room temperature for 2500V, 50Hz, 1 minute;
·High temperature, dry point up to 1200°C
·High surface load, dry point heating load up to 25w/cm2
·small volume
·Low thermal inertia, fast heating.
·long life
·Acid and alkali corrosion
Small thermal inertia, fast heating, long life, etc.
 
 
*Dry point heating silicon nitride ceramic heating element for medium:
 
Air; products can be equipped with "T05A" "T08A" and "T10A" type packages.
 
 
Technical indicators:
 
Room temperature flexural strength ≥900Mpa Room temperature fracture toughness 6.0-8.0 Mpa.m1/2
Bulk density 3.20-3.4g/cm3 Room temperature volume resistivity 1014Ω.cm
Relative permittivity at room temperature 6-7 Thermal conductivity 23-25W/m-k
Thermal expansion coefficient 3.1×10-6/ hardness HRA92-94
 
 
Mechanical properties:
 
 
HardnessHRA Fracture toughnessMpa.m1/2 Flexural strengthMpa
92.0~94.0 6.0~8.0 ≥900
 
 
Dry-point heating type silicon nitride ceramic heating element application range
 
·Mold heater
·Packaging Machinery 
·Tobacco equipment
·Industrial equipment heating
·Burning apparatus ignition system
·Mold heater
·Industrial equipment heating
·Petrochemical industry
·Applicable to various high-temperature ignition devices.
 
 
Use cautions:
 
The working environment is strictly prohibited from quenching and heating, and it is prohibited to splash water or other liquids onto the surface of the heating body at high temperatures.
 
 
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