Electrodos de grafito isost谩tico y de alta pureza para mecanizado por descarga el茅ctrica de precisi贸n.
Baotan Graphite supplies EDM electrodes to tool and mold makers worldwide. We stock a range of isostatic and high-purity graphite grades 鈥?including Toyo Tanso IG-series and SGL EK-series equivalents. For customers requiring specific imported materials, we can source and machine to your specifications.
Our 5-axis CNC capability handles complex electrode geometries with tight tolerances.
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| Grade | Grain Size | Density | Strength | Best For |
|---|---|---|---|---|
| Ultrafine Isostatic | 5 碌m | 鈮?1.80 | 鈮?65 MPa | Fine detail, mirror finish, micro-EDM |
| Fine Isostatic | 8-10 碌m | 鈮?1.78 | 鈮?55 MPa | General precision, ribs, cavities |
| Medium Isostatic | 15-20 碌m | 鈮?1.75 | 鈮?45 MPa | Large electrodes, roughing |
| High-Purity | 5-10 碌m | 鈮?1.82 | 鈮?60 MPa | Semiconductor-related EDM, clean apps |
Graphite electrodes machine 3-5脳 faster than copper on CNC. Lower tool wear during electrode fabrication.
Graphite sublimates at 3,650掳C 鈥?no melting during EDM discharge. Superior wear ratio vs copper.
Low CTE means electrode dimensions remain stable under thermal load 鈥?critical for tight-tolerance cavities.
Send your electrode drawing. Quote within 24 hours.
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