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Polyurethane Dispersion – SM-3251

SM 3251 is an anionic dispersion of an Aliphatic Urethane Polymer in Water/Ketone.


 

Product Datasheet

 

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SM-3251 is a polyurethane dispersion with shear stability and pigment compatibility that cures at room temperature giving very highly flexible crack-free films.
This allows SM-3251to be used to formulate highly flexible coating systems, especially for coating of Plastics. Such system exhibits very good adhesive properties.
The property of High Flexibility along with Polyurethane’s inherent properties of abrasion, impact and chemical resistance is of an advantage in coating for concrete and masonry substrates.

TYPICAL PROPERTIES

Appearance : Translucent Liquid
pH : 7.5 to 8.5
Solids wt in % : 30 ± 2%
Solvent Content : wt% Water : Methyl Ethyl Ketone :: 85 : 15
Viscosity @ 30°C, Ford Cup B4 : 30 ± 10
Co- Solvent : Methyl Ethyl Ketone (MEK)
Weight per Litre – Kg. : 0.98
Acid Value : 21 – 22

FORM OF DELIVERY

30 ± 2% IN Water / MEK
Neutralizing Agent: Tri-Ethyl Amine (TEA)

APPLICATIONS

SM-3251 is flexible, Polyurethane Dispersion that cures at room temperature giving clear impact resistant films. This allows SM-3251 to be used in the formulation of the flexible coating systems, especially for coating plastics and mineral substrates. Such systems exhibit very good adhesive properties to several plastics. However, the adhesion to each plastic substrate requires individual investigation.

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