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Table 5 Performance index of defoamer

From: Research on Modified High-Performance Cement Mortar of Prefabricated Buildings Based on Orthogonal Test

Appearance

Solid content/(%)

Defoaming time/(s)

Stability

PH

White or yellowish at room temperature

30

 > 10

3000r / min continuous centrifugation for 15 min without delamination

8