Graphite Heater Experts
Custom graphite heating element engineering, design and manufacture. Full technical support: resistance calculation, geometry optimisation, furnace load analysis. TOYO TANSO isostatic grades. Operating temperatures to 2200ยฐC.
Engineering design and manufacture of custom graphite heating elements for specialist vacuum and atmosphere furnace applications. Our technical team provides resistance calculation, current path geometry optimisation and thermal load analysis for custom furnace configurations โ from prototype development to production supply. Experience with single-zone and gradient-profile multi-zone furnaces, rapid-cycling research systems and furnaces with unusual geometry constraints. Drawing review and DFM (design for manufacture) analysis available at no charge for qualified buyers.
Applications
- Vacuum heat treatment furnaces โ hardening, brazing, sintering
- CVD/CVI processing systems
- PVD coating chambers
- Semiconductor crystal growth furnaces (CZ, FZ)
- Solar ingot casting furnaces
- Atmosphere sintering furnaces (Hโ, Nโ, Ar)
- High-temperature laboratory equipment
Compatible Furnace Brands
Ipsen · ALD Vacuum Technologies · SECO/WARWICK · ECM Technologies · Gasbarre · Solar Manufacturing · Shimadzu · Nabertherm · Schmetz · BMI Fours
Why Expo Advanced Materials
- TOYO TANSO Japan authorised partner โ premium isostatic graphite grades with full raw-material traceability
- Qualified supplier to SECO/WARWICK โ supplying graphite components to their global vacuum furnace operations
- Full material test certificate (MTC) + dimensional inspection report with every shipment
- Custom machined to your DXF, STEP, PDF or IGES drawings within 2โ4 weeks
- ISO 9001:2015 certified | Export to 30+ countries | 24-hour quote turnaround
| Material | Isostatic graphite (TOYO TANSO grade or equivalent) |
| Max operating temp | 2200ยฐC (inert/vacuum); 400ยฐC (oxidising atmosphere) |
| Density | 1.78โ1.85 g/cmยณ |
| Ash content | <100 ppm standard; <30 ppm high-purity grade |
| Flexural strength | 45โ60 MPa |
| Electrical resistivity | 10โ15 ฮผฮฉยทm |
| Thermal conductivity | 80โ120 W/mยทK |
| CTE | 4โ5 ร 10โปโถ/K |
| Tolerance | ยฑ0.01 mm standard; tighter on request |
| Shapes available | Rod, plate, U-shape, W-shape, custom |
| HS Code | 6815.10 |