ʻO ka uwea Optical, ʻo ka paipu paʻi paipu ʻaʻole ia he leakage coating, maʻemaʻe ka ʻili, maʻemaʻe ka ʻaoʻao, ʻaʻohe burr a me ka peeling phenomena, ikaika tensile ≥2.5N, maʻamau ka hoʻololi ʻana ma kahi o 60 ℃-90 ℃, hiki ke hoʻoponopono ʻia e like me ke kūlana maoli. o ka mea kūʻai hana.