The diamond color changing furnace uses high temperature and high pressure conditions to change the color of diamonds. There are two types of finished products: ① The brown diamond is changed into a white diamond, and the processed raw stone is a nitrogen-poor type II diamond, and the color becomes lighter after treatment, and can even be changed to E, F, G and other color grades

The diamond color changing furnace uses high temperature and high pressure conditions to change the color of diamonds. There are two types of finished products: ① The brown diamond is changed into a white diamond, and the processed raw stone is a nitrogen-poor type II diamond, and the color becomes lighter after treatment, and can even be changed to E, F, G and other color grades;
Application of diamond color changing furnace:
For cultivated diamonds, color change of natural diamonds, purification.
Technical parameters of diamond color changing furnace:
Operating temperature  | 2000°C  | 
Heating method  | |
Background vacuum  | 10-5Pa  | 
Working gas  | Inert gas  | 
Way to control  | Programmable PID temperature control  | 
Heating rate  | 600°C/Min  | 
Heating power  | 8KW  | 
Cooling method  | Continuous water cooling  | 
Temperature control accuracy  | +-1°C  | 
Temperature measurement method  | Thermocouple temperature measurement  | 
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