Aiming at these defects, a kind of special mortar for plastering aerated concrete with good workability, good water retention, high bonding strength and low shrinkage ratio has been prepared.
针对这些缺陷，研制了一种和易性好、保水性好、粘结强度高、收缩率低，适合加气混凝土抹灰用的砂浆。
Defects of bad water retention, low bonding strength, easy cracking and bulging seriously impede extensive application of aerated concrete when common mortar is used for plastering aerated concrete.
由于传统砂浆用于加气混凝土抹灰时，存在保水性差、粘结强度低、易开裂空鼓等缺陷，这严重阻碍了加气混凝土的广泛应用。
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