Through adding low viscidity HPMC,workable performance of the dry-mixed mortar can be greatly improved,and this dry-mixed mortar can well solve the crack problem of wall.

• 通过掺入低粘度的羟丙基甲基纤维素后,砂浆的施工和易性能得到了极大的改善,可以较好地克服新型墙材出现的墙体裂缝等问题。