PANGAO VAM Carboxyl-Modified Ternary VC-VAc Resin, Equivalent to Dow VMCH / WACKER E15/45M, for Metal Paints, Aluminum Foil Varnishes, Can Coatings, Heat-Transfer Back Adhesives

Full Name & Product Positioning Full Name:  PANGAO VAM Carboxyl-Modified Vinyl Chloride-Vinyl Acetate-Maleic Anhydride Terpolymer Resin High molecular weight carboxyl-modified ternary VC-VAc copolymer industrial resin, approximately 86% vinyl chloride, 13% vinyl acetate, and 1% maleic anhydride. The molecular chain contains carboxyl functional groups, providing adhesion improvement for smooth substrates such as metal, especially aluminum foil. Suitable for maintenance paints, marine paints, can seal coatings, aluminum foil varnishes, coil coatings, floor paints, shoe adhesives, screen/gravure/transfer inks, pharmaceutical packaging VC heat-seal adhesives, anodized aluminum coatings, heat-transfer back adhesives, and related solvent-based formulations. Core Technical Parameters Appearance White free-flowing powder Vinyl Chloride Content ~86 wt% Vinyl Acetate Content ~13 wt% Maleic Anhydride Content ~1 wt% Carboxyl Functional Group Content ~1 wt% K-Value 45-47   Viscosity Number 50-54 ml/g Average Molecular Weight ~27,000 Glass Transition Temperature ~74°C Solid Content 100 wt% Volatile Matter ≤1% Whiteness ≥80   Particle Size (60 mesh pass) 100% Apparent Density ≥0.5 g/ml Standard Packaging 25kg paper-plastic composite bag Reference Equivalent Dow VMCH, WACKER VINNOL E15/45M Core Advantages  1.  Molecular chain contains carboxyl functional groups, providing adhesion improvement for smooth substrates such as metal, especially aluminum foil. 2.  Provides adhesion improvement for PVC, ABS, paper, textiles, concrete, acrylic surface-treated PE and OPP, and other substrates. 3.  Film exhibits corresponding water, oil, grease, dilute acid, alkali, and salt water resistance characteristics. 4.  Compatible with epoxy resins, alkyd resins, phenolic resins, acrylic resins, polyester resins, etc. 5.  High molecular weight structure provides corresponding balance of film strength and thermoplasticity. Main Application Areas Core Applications:  Metal paints, marine paints, can seal coatings, aluminum foil varnishes Suitable Areas:  Coil coatings, floor paints, shoe adhesives, screen/gravure/transfer inks, pharmaceutical packaging VC heat-seal adhesives, anodized aluminum coatings, heat-transfer back adhesives, maintenance paints Not Recommended:  Pure water-based systems, food contact products, pure ester single-solvent low-solids formulations, high-flexibility soft film formulations.