Injection Molded PMMA Optical Components | Precision Automotive Lighting

Foshan Geqin Auto Parts specializes in high-precision injection-molded PMMA optical components for demanding automotive applications. Our manufacturing process utilizes optical-grade PMMA (polymethyl methacrylate) with exceptional clarity (92%+ light transmission) and UV stability. The components are produced using precision molds with optical surface finishes (Ra <0.05μm) to maintain strict light transmission specifications. We implement rigorous process controls to prevent internal stresses that could cause birefringence in optical paths. Our injection molding parameters are carefully optimized to achieve bubble-free parts with consistent wall thicknesses (0.5-10mm). The components undergo comprehensive quality inspection including light transmission testing, haze measurement, and surface defect analysis. We offer various PMMA formulations including UV-filtering grades for exterior applications and high-impact versions for safety-critical components. The manufacturing process includes post-mold annealing to ensure long-term dimensional stability. Our technical team can develop custom optical solutions incorporating microstructures, light guides, or complex lens geometries. All optical components meet relevant automotive standards for weathering resistance and mechanical performance.