L Type 6-12mm Heating Elements 1700 ℃

MoSi2 heating element is a kind of resistance heating element with high temperature resistance and oxidation resistance based on molybdenum disilicide. When used in high-temperature oxidizing atmosphere, like other Si based high-temperature resistant materials, MoSi2 surface will quickly form a bright and dense quartz (SiO2) glass film under high temperature and oxygen atmosphere, which can protect the inner layer of silicon molybdenum rod from further oxidation. Therefore, MoSi2 heating element has unique high-temperature oxidation resistance.

The resistivity of MoSi2 increases rapidly with the increase of temperature under the oxidizing atmosphere and the service temperature is about 1700 ℃. Under normal circumstances, the element resistance does not change with the length of service time. Therefore, the old and new MoSi2 heating elements can be mixed.

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Effect Of Different Atmosphere On Element Temperature

Atmosphere	Maximum Element Temperature
Atmosphere	Heating 1700 Grade
Air	1700℃
Nitrogen	1600℃
Argon, Helium	1600℃
Hydrogen	1100-1450℃
N2/H2 95/5%	1250-1600℃

Parameters

Lu \ Le	315	334	410	500	620	730	800	820	1000
470	4053	4503	5121	6133	7481	8718	9505	9729	11753
	0.180	0.200	0.228	0.273	0.333	0.387	0.422	0.432	0.522
	27.0	30.0	34.1	40.9	49.9	58.1	63.4	64.9	78.4
500	4076	4525	5144	6155	7504	8740	9527	9752	11775
	0.181	0.201	0.229	0.274	0.334	0.388	0.423	0.433	0.523
	27.2	30.2	34.3	41.0	50.0	58.3	63.5	65.0	78.5
520	4091	4540	5159	6170	7519	7855	9542	9767	11790
	0.182	0.202	0.229	0.274	0.334	0.389	0.424	0.434	0.524
	27.3	30.3	34.4	41.4	50.1	58.4	63.6	65.1	78.6
560	4121	4570	5189	6200	7549	8785	9572	9797	11820
	0.183	0.203	0.231	0.276	0.336	0.390	0.425	0.435	0.525
	27.5	30.5	34.6	41.3	50.3	58.6	63.8	65.3	78.8
580	4136	4585	5204	6215	7564	8800	9587	9812	11835
	0.184	0.204	0.231	0.276	0.336	0.391	0.426	0.436	0.526
	27.6	30.6	34.7	41.4	50.4	58.7	63.9	65.4	78.9
600	4151	4600	5219	6230	7579	8815	9602	9827	11850
	0.184	0.204	0.232	0.277	0.337	0.392	0.427	0.437	0.527
	27.7	30.7	34.8	41.5	50.5	58.8	64.0	65.5	79.0
630	4173	4623	5241	6253	7601	8838	9625	9849	11873
	0.185	0.205	0.233	0.278	0.338	0.393	0.428	0.438	0.528
	27.8	30.8	34.9	41.7	50.7	58.9	64.2	65.7	79.2
Condition： Element Temperature 1500℃ Furnace Temperature 1300℃ Current 150A Surface Load 14.5W/C㎡
							Power (W)
							Resistance (Ω)
							Voltage (V)