Shaanxi KeGu New Material Technology Co., Ltd
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The ceramic fuse shell boasts not only essential electrical insulation properties but also a range of specialized characteristics crucial for fuse applications. These include high strength, excellent tensile resistance, and remarkable stability, ensuring reliable performance under demanding conditions.
Additionally, the shell exhibits exceptional resistance to aging, chemical contamination, and corrosion, as well as the ability to withstand sudden temperature changes without leaving any discharge trace residue. These features collectively guarantee enhanced fuse safety, shorter cutting times, and a more economical and effective design.
Product Variety:
| (Ⅰ) 75% alumina (porcelain bottle for No. 0 fuse) | (Ⅱ) 75% alumina (porcelain bottle for No. 1 fuse) |
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| (Ⅲ)75% alumina (porcelain bottle for No. 0 fuse) | (Ⅳ) 75% alumina (porcelain bottle for No. 1 fuse) |
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| (Ⅴ)95% alumina (porcelain bottle for No. 0 fuse) | (Ⅵ)95% alumina (porcelain bottle for No. 1 fuse) |
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Ceramics shells used for electric vehicles
| (Ⅰ)Round tube series | (Ⅱ) 75% alumina square tube series | (Ⅲ)95% alumina square tube series |
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| (Ⅰ)75% alumina square tube series | (Ⅱ) 95% alumina square tube series |
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| Material | Units | L-3 Steatite | L-5 Steatite | A-75 | A-95 | A-99 | Cordierite |
| Material(DIN 40685) | C220 | C221 | 75%AL2O3 | C795 | C799 | C410 | |
| Volume Density | g/cm3 | ≥2.4 | ≥2.6 | ≥3.2 | ≥3.6 | ≥3.7 | ≥2.3 |
| Flexural Strength | Mpa | ≥80 | ≥120 | ≥200 | ≥280 | ≥300 | ≥80 |
| Linear Expansion Coefficient | ×10-6/k(20℃-600℃) | 3 | 5 | 6.00 | 8 | 8 | 3 |
| Volume Resistivtty | Ω•cm(20℃) | >1011 | >1012 | >1012 | >1013 | >1014 | >1012 |
| Ω•cm(200℃) | __ | __ | __ | >1010 | >1012 | >108 | |
| Ω•cm(600℃) | __ | __ | __ | >108 | >108 | >105 | |
| Dielectric Constant | (25℃ 1MHz) | ≤7.5 | ≤7.5 | ≤9 | ≤10 | ≤10 | ≤6 |
| Dieiectric Strength | KV/mm | ≥18 | ≥20 | ≥20 | ≥18 | ≥18 | ≥15 |
| Dielectric Loss Angle | (25℃ 1MHz)×10-4 | ≤40 | ≤20 | ≤10 | ≤4 | ≤4 | ≤4 |
| Safetyoperating Temperature | ℃ | 800 | 1000 | 1200.00 | 1500 | 1550 | 800 |
Production Equipment: