Crystal Star Tritan™ Renew Lenses | Sustainable & High-Performance Eco-Friendly Optical Material

Sustainability is reshaping the optical industry. Today, eyewear brands are actively searching for sustainable sunglass lenses, eco-friendly materials, and recycled content materials that can meet both environmental goals and performance expectations.

Crystal Star Tritan™ Renew sunglass lenses, made from Eastman Tritan™ Renew, deliver exactly that balance. As a next-generation sustainable copolyester, Tritan™ Renew maintains the proven advantages of high-performance optical lenses, offering 92% light transmittance and an ultra-low 0.5% haze for clear, comfortable vision.

With up to 50% ISCC-certified recycled content, Tritan™ Renew supports a transparent green supply chain and helps eyewear brands strengthen their sustainable design and ESG strategies—without sacrificing durability or quality consistency.

From a safety and reliability standpoint, Tritan™ Renew is BPA-free, free from bisphenol analogues and estrogenic activity (EA), and compliant with FDA food-contact standards. Its excellent impact resistance and scratch resistance make it suitable for premium sunglasses, sports eyewear and everyday use. The material is also highly compatible with acetate frames, metal frames and TR90 frames, giving designers greater freedom.

At Crystal Star, we focus on delivering eco-friendly sunglass lenses that are practical, scalable and ready for global markets. Tritan™ Renew is not just a recycled material—it is a reliable solution for brands seeking sustainable eyewear materials with proven optical performance.