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Question:

Small size black brick can replace refractory bricks for wood burning fireplace?

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Answer:

No. Because black brick has no fireproof function. The result of using the black brick can only be counterproductive, and which is also a waste of time and fuel.
No, because the melting point of the black brick is only more than 700 degrees, will flow. But that of refractory brick is above 1200 degrees. It mainly depends on the peak temperature, because the fire area of rural cooking range is small.
No, black brick has no thermal insulation effect.
Absolutely not. Refractory brick's color looks like that of stone which is also very antique. Black brick can also be pasted on refractory brick. To cope with the use of refractory cement

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