Reflective Index | 1.591 ib |
Abbe nqi | 31 |
Kev tiv thaiv UV | 400 |
Muaj | Ua tiav, Semi-finished |
Tsim | Ib Lub Zeem Muag, Bifocal, Progressive |
Txheej | Tintable HC, Tsis tintable HC; HMC, HMC + EMI, Super Hydrophobic |
Polycarbonate | Lwm yam khoom siv | |||||||
MR-8 | MR-7 | Qauv: MR-174 | Acrylic | Nruab nrab Index | CR39 | iav | ||
Index | 1.59 ib | 1.61 ib | 1.67 ib | 1.74 ib | 1.61 ib | 1.55 ib | 1.50 ib | 1.52 ib |
Abbe nqi | 31 | 42 | 32 | 33 | 32 | 34-36 : kuv | 58 | 59 |
Impact Resistance | Zoo heev | Zoo heev | Zoo | Zoo | Nruab nrab | Nruab nrab | Zoo | Phem |
FDA / Drop-ball Test | Yog lawm | Yog lawm | No | No | No | No | No | No |
Drilling rau Rimless Frames | Zoo heev | Zoo | Zoo | Zoo | Nruab nrab | Nruab nrab | Zoo | Zoo |
Specific Gravity | 1.22 | 1.3 | 1.35 Nws | 1.46 ib | 1.3 | 1.20-1.34 Nws | 1.32 ib | 2.54 ib |
Thaum tshav kub kub Resistance (ºC) | 142-148 : kuv | 118 | 85 | 78 | 88-89 : kuv | --- | 84 | > 450 |
•Tawg resistant thiab muaj kev cuam tshuam loj
•Kev xaiv zoo rau cov neeg nyiam kev ua kis las
•Kev xaiv zoo rau cov uas ua ntau yam kev ua si sab nraum zoov
•Thaiv teeb meem UV teeb thiab hnub ci rays
•Haum rau txhua hom thav duab, tshwj xeeb tshaj yog rimless thiab ib nrab-rim thav duab
•Lub teeb thiab nyias ntug pab txhawb kev zoo nkauj
•Haum rau txhua pab pawg, tshwj xeeb tshaj yog cov menyuam yaus thiab cov kis las
•Nyias thickness, lub teeb yuag, lub nra hnyav rau menyuam yaus lub qhov ntswg choj
•Cov khoom muaj feem cuam tshuam zoo dua rau cov menyuam yaus muaj zog
•Kev tiv thaiv zoo meej rau lub qhov muag
•Lub neej ntev ntawm cov khoom siv