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On December 1, 2023, CollTech North America held a grand opening ceremony for its manufacturing facility in Santa Clara, California.   We sincerely thank our friends who have supported us in achieving this important milestone. We are excited to embark on this exciting journey to better serve ou...

UV high refractive index yellowing resistant adhesive/resin: UV curable optical grade material that meets the requirements of high refractive index (n_d ≈ 1.55-1.68), long-term yellowing resistance (QUV 1000h Δ b ≤ 1-2, no color difference in the double 85 test), high transmittance (&...