Cement Mortar with Redispersable Copolymer Powder by Dow

Typical Formulation Ingredients

Phase

Ingredient

Parts by weight

A

Portland cement, Type OPC CEM I 42.5 R

xx

A

Filler (silica sand 0.09 – 0.25 mm)

xxxxx

A

Filler (silica sand 0.125 – 0.5 mm)

xx

A

Spray-dried vinyl acetate-ethylene-VeoVa copolymer (DLP212, Dow Construction Chemicals)

x

A

Cement accelerator

xxx

A

Hydroxyethyl methyl cellulose (Walocel MKX 60000 PF01, Dow Construction Chemicals)

xxxx

A

Water demand

xxx

Typical Properties

Properties

Economical cement based tile adhesive

High compressive strength after 7 day cure

High flexural strength after 7 day cure

High shear strength before and after water immersion

Processing

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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 polymeric emulsion have excellent 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 and cementitious mortars applied in a thin section.

Tips and Tricks

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