Select Your Region
CP 349W is a dispersion of chlorinated polypropylene in water. It is used as an adhesion promoter for waterborne coatings, inks, and adhesives applied to polyolefin-based substrates.
Solids (wt%): 26
CPO (wt%): 20
pH (at 25°C): 9–10
Wt/vol (g/L, lb/gal): 1010–1040, 8.4–8.7
Viscosity (Brookfield, cPs): 10
Chlorination (%): 18–23
Water (wt%): 69
Organic solvents (wt%): 5
Color (Gardner): Tan
Specific gravity (at 25°C): 1.020
Primary Chemistry: Chlorinated polyolefin;
Primary Chemistry:
Chlorinated Polyolefin
CP 349W is a waterborne adhesion promoter designed for waterborne coatings, paints, inks, and adhesives applied to polyolefin-based substrates like polypropylene and TPO. It is also a useful adhesion-promoting additive for nonplastic substrates like metal. This dispersion of chlorinated polypropylene contains 2-amino-2-methyl-1-propanol as a neutralizing amine, making it more compatible with waterborne resins and thus useful as a stir-in additive. CP 349W also contains 5% ethylene glycol solvent to improve the freeze resistance of the adhesion promoter.
This polyolefin adhesion promoter is compatible with most waterborne preneutralized dispersion resins and many amine-neutralizable solution resins. CP 349W excels as an adhesion promoter with polyurethane dispersion resins and is very effective with acrylic dispersion resins.
Low adhesion of waterborne systems to polyolefin-based substrates
Poor storage stability of water-based primers in freezing temperatures
VOC restrictions that prevent the use of solvent-based chemistries
Automotive OEM paints
Coatings for polyolefin-based automotive plastics
Plastic coatings
Graphic arts
General industrial coatings
Strategically located across North America and EMEA for fast, reliable delivery. Every order, every time.
We’ve detected that you are located in a different region than the region selected on the website. Would you like to change your region?
Current Region: English - Canada