CR39 1.499/1.56 Round Top Bifocal

1) Material: PPG/TS-462) Dia: 65mm/70mm3)Abbe: 58/404)high Scratch Resistance5) Specific gravity: 1.32/1.286) new designed products,silm and thin7)Super-hard protection coating availabel(tintable and non-tinable)8)HMC and HMC+EMI coating available in greenish and bluish color9)products are passed the high test of CE and ISO10)Semi-finished or Finised are available