| 摘要 |
PROBLEM TO BE SOLVED: To provide lightweight mortar which is satisfactory in troweling properties and other constructibility during plastering, has durability such as high water tightness and bending strength, and resistance to deformation and crack, and easily provides heat insulation and sound insulation properties suitable for constructed objects for dwelling. SOLUTION: The lightweight mortar comprises containing (A) 100 parts by mass cement, (B) 14 to 36 parts by mass lightweight fine aggregate, (C) 28 to 64 parts by mass ordinary fine aggregate of 150μm or under in grain size, (D) 0.15 to 0.3 parts by mass water-retaining agent containing a cellulose derivative and starch as effective component, and (E) 7 to 28 parts by mass polymer dispersion or re-emulsified powder resin. COPYRIGHT: (C)2009,JPO&INPIT |
