LensGuard 504
Eyewear Hardcoat
Mid Bayer - Non Tintable
BRILLIANT THINKING
INNOVATIVE COATINGS
TECHNICAL DATA (PC)
| Bayer Ratio (a) | 5.50 |
| Steel Wool Scratch Resistance (b) | 4 psi |
| Taber Abrasion Test (ASTM1044) (c) | 100 cycles — 3.40 |
| 500 cycles — 5.20 | |
| Pencil Hardness Test (ASTM D 3363, modified) (d) | F |
(a)-500 g of abrasive media, 600 cycles
(b)-steel wool #0000, 5 rotations, no scratch
(c)-500 g, CS 10 wheels
(d)-Mitsu-Bishi Hi Uni pencils, Wolf-Wilburn Method — 1000 g @ 45 degrees