How to Select the Right Vinyl Chloride-Vinyl Acetate Copolymer (VC/VAc) Vinyl Resin?

Selection should be based on the specific application scenario and core requirements.

The key reference dimensions are as follows:

1. For use as industrial ink resins (e.g., for screen printing inks, gravure inks, etc.) or plastic processing (color chips, PVC flooring): Binary Vinyl Chloride-Vinyl Acetate Copolymer VC/VAc resin (Binary Vinyl Resins) is preferred, with emphasis on its excellent solubility and processing fluidity.

2. If the substrate is metal (aluminum, tinplate), such as pharmaceutical aluminum foil adhesives or metal coatings: select Carboxyl-modified Ternary Vinyl Chloride-Vinyl Acetate Copolymer VC/VAc resin (Carboxyl-Modified Vinyl Terpolymer Resins), leveraging the strong metal adhesion provided by its carboxyl functional groups.

3. For food contact applications (food packaging inks, can interior coatings): select Hydroxyl-modified Ternary Vinyl Chloride-Vinyl Acetate Copolymer VC/VAc resin (Hydroxyl-Modified Vinyl Terpolymer Resins), which offers good compatibility and meets food-grade safety standards.

4. For UV coating resins or UV ink resins: select Specially Modified UV-grade Vinyl Chloride-Vinyl Acetate Copolymer VC/VAc resin (Special-modified UV-specific vinyl resins), such as iSuoChem's Model 40/43, which meets UV curing requirements.