PB15:1 provides outstanding light, weather, and solvent resistance. Modified surface treatment enhances dispersibility and flow. Suitable for high-performance automotive coatings, various plastics including polyamide, polyurethane foams, polystyrene, and polycarbonate with thermal stability up to 340°C. Also used in metallic decorative inks (resistant to 200°C/10 min). Free copper content may influence natural rubber vulcanization.