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DIPICRYL 491D

Aqueous Styrene acrylate polymer dispersion used to manufacture all types of adhesives, primers, spray plasters and textured finishes
Chemical Nature: Aqueous dispersion of an acrylic ester-styrene copolymer
Application
DIPICRYL 491 D is used to manufacturer building adhesives such as tile adhesives in paste form and panel adhesives, etc. The high binding power of DIPICRYL 491 D also allow it to be used to formulate primers, liquid membranes, textured finishes and sealants.
 
Formulations that contain pigments and fillers have to contain dispersing agents in sufficient quantities to ensure that they remain stable in storage. More detailed information is given in our technical information leaflet on “DIPICRYL 491 D and dispersing agents.”
 
The minimum film-forming temperature of DIPICRYL 491 D can be lowered by adding a coalescent solvent in the required quantity. Further information is given in our technical information leaflet on“DIPICRYL 491 D and film – forming agents”
 
Cellulose ethers and polyacrylates can be used to adjust the viscosity. Commercial deformers can be used to suppress foam. It is usually sufficient to ass 0.05 – 0.2%, expressed as a proportion of the adhesive. The exact amount of defoamer has to determine in trials.
 
We would recommend adding preservatives to adhesives and sealants that contain DIPICRYL 491 D to protect them from microbial attack over long periods in storage. The compatibility and efficacy of preservatives must be tested in trials.

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