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q 5500-6200v 15- 18S & lt; What does 0.4 mean?
Hello, this is the instruction manual of electric charcoal!

over there

Q5500-6200 means calorific value is between 5500-6200, and Q refers to calorific value.

V 15- 18, that is to say, the volatilization amount is between 15%- 18%! V command volume.

S & lt0.4, which means the sulfur content is less than 0.4%! S means sulfur!

Therefore, "q5500-6200v15-18s"

In addition, among these similar concepts, there is another one

I hope these are useful to you!