Recycled PET vs. Virgin ETFE: Solving the Solar Yellowing Problem in 2026
10 YEARS Transparency Guarantee Sungold’s Virgin ETFE is chemically engineered to resist the “Browning Effect.” We guarantee ultra-high light transmittance with Delta YI < 1 over a decade of intense UV exposure. 95%+ Optical Clarity Retained Zero UV-Induced Yellowing Anti-Delamination Structure The Invisible Efficiency Killer: Yellowing Rate of Recycled PET vs. Virgin ETFE In the […]
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