Specifies ready-mixed lime; sand for site prepared mortars and plasters; factory-made ready-to-use retarded mortars for masonry, plastering and rendering; factory-made ready-to-use retarded mortars for screeds. An appendix gives guidance for users of these materials.
Số hiệu tiêu chuẩn
BS 4721:1981
Tên tiêu chuẩn
Specification for ready-mixed building mortars
Ngày phát hành
1981-07-31
Tiêu chuẩn liên quan
BS 12 * BS 146 * BS 890 * BS 1014 * BS 1198, 1199 and 1200 * BS 3148 * BS 3921 * BS 4027 * BS 4049 * BS 4551 * BS 4887 * BS 5075:Part 1 * BS 5224 * BS 5262 * BS 5492 * BS 5628:Part 1 * BS 5838:Part 2 * CP 121 * CP 203 * CP 204 * PD 6472
Từ khóa
Mortars * Cement and concrete technology * Construction materials * Lime * Cements * Sand * Composition * Aggregates * Sampling methods * Physical properties of materials * Marking * Gypsum * Screeds (floors) * Ready-mixed materials * Grenade throwers