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Question:

Can cement board be directly approved for cement?

Can cement board be directly approved for cement?

Answer:

The cement board is made of stones, sand, cement and steel.
Do not join the sand and stone, is pure cement for cement paste
If the direct batch of cement once the surface of the water oxidation. The practice of this situation should be clean water with cement board, then brush a layer of cement paste, cement paste on the basis of cement mortar or other surface layer.

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