CP 343-1-100%

CP 343-1-100% is a solid powder form chlorinated polyolefin that is used in solution based primer formulations for untreated polypropylene, TPO, and metal.
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Product Overview
CP 343-1-100% is a chlorinated polypropylene polymer in solid powder form. This polymer is also commercially available in solution. CP 343-1-100% is most often used in solvent based primer formulations that are used on untreated polypropylene, aluminum, and galvanized steel. Primers formulated with CP 343-1-100% show excellent humidity resistance and are most commonly used for improving adhesion of coatings, paints, adhesives, and inks to low energy surfaces.
Product Specifications
Form: Powder
Specific gravity @25°C: 1.03
Flash point, tag closed cup: 274°C (525°F)
Color, Gardner: Light tan
Softening point: 80-95°C (176-203°F)
Chlorine: 18-23 wt%
Primary Chemistry: Chlorinated Polyolefin
Features & Benefits
Excellent primer in PP, TPO, Non-olefin plastics and metal substrates
Excellent humidity resistance
Available in 25%, 40% and 50% by weight solids in xylene
Modification of CP343-1 with ethylene vinyl acetate increases the softening point and cohesive strength of primer film.
Problems Solved
Poor adhesion of coatings, inks, and adhesives to polypropylene and other plastics
Failure of primers caused by high humidity
Primers; Architectural Coatings; Automotive Coatings; Adhesives & Sealants; Printing Inks; Flexible Packaging