What impact does pigment concentration have on PVC bar stool UV stability?
The UV stability of PVC bar stools is significantly influenced by pigment concentration. Pigments act as UV absorbers or blockers, reducing the degradation caused by prolonged sunlight exposure. Higher pigment concentrations generally improve UV resistance by absorbing harmful UV rays before they penetrate the material, preventing discoloration, brittleness, and structural weakening. However, excessive pigment levels may alter the material's physical properties or reduce cost-effectiveness. Optimal pigment concentration balances UV protection with durability, ensuring long-lasting performance for outdoor PVC furniture. Understanding this relationship helps manufacturers enhance product lifespan and maintain aesthetic appeal under UV exposure.
