Concrete Block Making Machine QT8-15 - Block&Brick; Making ...
You just need the correct ration of materials. Then the concrete block can be high quality. For examplefly ash block ratio: Normally: fly ash 50%、gravel 35%、cement 8% and sand 7%; Or fly ash 50%、gravel 42%、cement 8%; QT8-15 Concrete Block Making Machine Parts: 1.Control System of Concrete block making machine:
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