Typical Formulation Ingredients
Phase
Ingredient
Parts by weight
Admix
Acrylic-styrene emulsion (Rhoplex AS-48 (56% solids), Dow)
Admix
Polyester mini-fibers
Admix
Wollastonite (NYAD G, Imerys)
Admix
Cellulose ether (Bermocoll 481-FQ, AkzoNobel)
Typical Properties
Pot life at room temperature, hours
Mandrel bend (1/16” coating) at room temperature
180° peel adhesion to dry concrete, lb/in
180° peel adhesion to wet concrete, lb/in (1 hr fog box)
Resulting Properties
Polymer latexes are generally added to mortar or concrete materials before or during mixing for the purpose of improving workability or physical properties once the mixture sets. Cured mortars modified with Rhoplex AS-48 emulsion have excellent water resistance and adhesion to various substrates. The polymer is particularly beneficial in cementitious applications where flexibility is needed, such as in ceramic tile adhesives over flexible substrates, cementitious below grade waterproofing mortars, and cementitious mortars applied in a thin section.
(Source: Rohm and Hass now Dow Chemical)