Electrical plates are also called electronic plates or silicon plates. Compared to regular steel plates, silicon plates contain more silicon, featuring good electric and magnetic characteristics
| GO | NO | Remarks | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Regular | Eco-Friendly | Regular | Eco-Friendly | ||||||
| OA | GS | C-6A (thin) |
C-9A (middle) |
NS (thin) |
NM (middle) |
NT (thick) |
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| Applied Spec | GO | NO | |||||||
| Composition | Inorganic | Inorganic | Organic/filler | Organic/filler | Organic/filler | Organic/filler | Organic/filler | ||
| Thickness (μm) / plane | 2.0~5.0 | 2.0~5.0 | 0.5~1.0 | 1.2~1.8 | 0.5~1.0 | 1.2~1.8 | 5.0~7.0 | ||
| Resistivity (Ωcm²/sheet) |
Before SRA | 15 | 15 | 0.5 | 5.0 | 3.0 | 5.0 | 50 | ASTM A 717 SRA condition: 750℃ × 2 hrs. in DX rich gas |
| After SRA | 15 | 15 | 0.1 | 0.5 | 1.5 | 2.5 | SRA not accepted | ||
| Lamination factor (%) | 95.0 | 95.0 | 98.0 | 98.0 | 98.0 | 98.0 | 97.0 | 1.0MPa±0.05 in Pressure(JIS C2550) | |
| Heat Resistance (flanking after SRA) |
Continuous | Not recognized | Not recognized | Not recognized | Not recognized | Not recognized | Not recognized | SRA not accepted | 155℃×24hr in Air. |
| Short | Not recognized | Not recognized | Not recognized | Not recognized | Not recognized | Not recognized | SRA not accepted | 750℃×2hrs. in DX rich gas | |
| Weathering (powdering) | Not recognized | Not recognized | Not recognized | Not recognized | Not recognized | Not recognized | Not recognized | 65℃, 95% humidity, 72Hr | |
| Adhesion (mmΦ) |
Before SRA (Mandrel bend tester) |
30 | 30 | 10 | 10 | 10 | 10 | 20 | ISO 1519 |
| Before SRA (Mandrel bend tester) |
- | - | 5B | 5B | 5B | 5B | 5B | ASTM D3359B [0B (poor)~5B (excellent)] |
|
| Resistant to Refrigerants |
Change of Surface | - | - | Not recognized | Not recognized | Not recognized | Not recognized | - | R-134a/Freol @15C= 65g/100g (130℃, 21day, 0.45μm filter paper) |
| Change of Weight | - | - | Not recognized | Not recognized | Not recognized | Not recognized | - | ||
| Weldability | - | - | Excellent | Normal | Good | Normal | Not allowed | Current : 100~150A Ar 99% flow : 10~20L/min Speed : 0.25~0.50mpm |
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