DK22 Series
Key words:
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heating
temperature
thermal
Classification:
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Photovoltaic welding
Product Description
DK22 Series Products
Dry point heating type silicon nitride electric heating element
Electrical performance parameters:
Rated voltage: 55V ~ 250V;
Frequency: 50/60Hz;
Rated power: 250W ~ 700W;
Properties and characteristics of hot-pressed silicon nitride ceramic electric heating elements
This product uses high-performance silicon nitride ceramic as the matrix, high temperature mechanical strength, strong thermal shock resistance, acid and alkali corrosion resistance, not only has excellent insulation performance, but also has good thermal conductivity, coupled with the company's proprietary formula and hot pressing manufacturing technology, so that this product has the following excellent performance and characteristics:
Insulation and electrical strength: 2500V, 50Hz at room temperature, no breakdown in 1 minute;
High temperature resistance, dry point up to 1200 ℃
· High surface load, dry point heating load up to 25 w/cm2
· Small size
· Small thermal inertia, fast heating speed.
· Long life
Acid and alkali corrosion resistance
· Small thermal inertia, fast heating speed, long life and other advantages;
* Dry point heating type silicon nitride ceramic electric heating element applicable medium:
Air
Technical indicators:
room temperature flexural strength | ≥ 900Mpa | room temperature fracture toughness | 6.0-8.0 Mpam1/2 |
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) |
coefficient of thermal surge | 3.1 × 10-6/℃ | Hardness | HRA92-94 |
Mechanical properties:
Hardness (HRA) | Fracture toughness (Mpa.m1/2) | Bending strength (Mpa) |
92.0~94.0 | 6.0~8.0 | ≥ 900 |
Dry point heating type silicon nitride ceramic electric heating element application range
· Mold heater
· Packaging machinery
• Tobacco equipment
· Heating of industrial equipment
· Heating of industrial equipment
· Petrochemical industry
Precautions for use:
Sudden cooling and heat are strictly prohibited in the working environment, and water or other liquids are strictly prohibited from splashing on the surface of the heating body under high temperature conditions.
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The main products are silicon nitride electric heating components, igniters, glow plugs and various shapes of hot-pressed silicon nitride temperature, wear-resistant ceramic parts, etc. Welcome new and old customers contact to negotiate
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