1, In order to ensure the longest possible service life of furnace parts, we recommend heating rate no higher than 10℃ /min.
2, Cooling rate no higher than 5℃ /min.
3, This furnace is not air-tight.
4, It is normal that there will be tiny cracks on the wall of the heating chamber, they won’t affect the performance of the furnace, and can be repaired with alumina coating.
5, The heating chamber is replaceable.
6, We suggest you put the furnace in the fume hood if the material you heat release smoke or any harmful gas.
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