Difference between RP mortar, RS mortar and RM mortar

Masonry Mortar for Small Concrete Hollow Block (JC 860—2000) is marked Mb,

Plastering mortar is marked with RP in Technical Specification for Production and Application of Ready-mixed Mortar (DG/TJ08-502-2000); The ground mortar is marked with RS; Masonry mortar is marked with RM.

Classification table of ready-mixed mortar and traditional mortar

Types of ready-mixed mortar Traditional mortar

Plastering mortar RP20 1: 2, 1: 2.5 cement mortar, 1 12 mixed mortar.

Rp 15 1: 3 cement mortar

RP 10 1:4 mixed mortar

RP5 1:6 Mixed Mortar

Ground mortar RS20 1: 2 cement mortar

Masonry mortar RM5 M5.0 mixed mortar and M5.0 cement mortar.

RM7.5 M7.5 mixed mortar and M7.5 cement mortar.

RM 10 M 10 mixed mortar and M 10 cement mortar.

SD mark of mortar for external thermal insulation of external wall.