Commonly used chemical additives for dry powder mortar


1. Redispersible latex powder (EVA)

Vinyl acetate and ethylene copolymer powder (VAC/E)

Terpolymer rubber powder of ethylene, vinyl chloride and vinyl laurate (E/VC/VL)

Terpolymer rubber powder of vinyl acetate, ethylene and higher fatty acid vinyl ester (VAC/E/VeoVa)

Feature usage:

Increase cohesion (film formation)

increase cohesion (bonding)

increase flexibility (flexibility)

2. Cellulose ether

Methyl hydroxyethyl cellulose ether (MC)

Methyl hydroxypropyl cellulose ether (MC)

Sodium Carboxymethyl Cellulose (CMC)

Feature usage:

water retention

thicken

Improve bond strength

Improve construction performance

3. Anti-cracking fiber

Alkali-resistant glass fiber

Vinylon fiber (PVA fiber)

Polypropylene fiber (PP fiber)

Acrylic fiber (PAN fiber)

Feature usage:

Crack resistance and toughening

impact resistance

freeze-thaw resistance

4. Wood fiber

Natural fiber insoluble in water and organic solvents/excellent flexibility/dispersibility

Feature usage:

Anti-crack

enhance

Anti-sagging

5. Water reducing agent

Ordinary water reducer

Superplasticizer

Early strength superplasticizer

retarded superplasticizer

Air-entraining superplasticizer

Retarded high-efficiency superplasticizer

Feature usage:

reduce water consumption

increase mortar

concrete compactness

6. Defoamer

Help to release air bubbles trapped and generated during mortar mixing and construction/improve compressive strength/improve surface condition

Polyols

polysiloxane

Feature usage:

burst the bubble

prevent foam regeneration

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