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By certification 
Electric heater cartridge is made of MgO powder and MgO tube, ceramic cap, resistance wire (NiCr2080), High temperature leads, seamless stainless steel sheath (304, 321, 316, 800, 840). Usually in tube form, that is used in heating applications by way of insertion into metal blocks via a series of drilled holes.
| Resistance heating wire | NiCr 80/20 wire |
| Sheath | stainless steel 2520 |
| size | 6*20mm or customized |
| wire length | 250mm |
| Wattage Tolerance | +5%, -10% |
| Resistance tolerance | +10%, -5% |
| Length tolerance | ±1 mm |
| Diameter tolerance | -0.02mm |
| Standard Cold Zone | 5-10mm |
| Insulation resistance (cold) | ≥ 500 MΩ |
| Thermocouple Location | type J/K |
| Maximum leakage current (cold) | ≤ 0.5 mA |
| High quality 304 stainless steel, Probe length 20mm |
Molex Connector |
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Wire material: AWG26 silicone cable and Glass fiber wire
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Craft Process
http://www.basstor.com/
