uv-curable coatings

LensGuard 504
Eyewear Hardcoat
Mid Bayer - Non Tintable

eyewear hardcoat

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