Rubber modified emulsions typically emphasize elasticity and crack resistance after curing. Compared with standard emulsions, they often show higher elastic recovery, improved crack bridging, and better resistance to thermal cycling and minor substrate movement. Adhesion and water resistance can be stronger, especially on waterproofing substrates, but curing can be more sensitive to temperature and humidity. Viscosity is usually higher, so spraying and pumping requirements are stricter. Buyers should focus on residue properties and durability tests, not only emulsion stability numbers on the datasheet.