Highly Scratch Resistant Hard Coating Material,
“Preveil”

Highly Scratch Resistant Hard Coating Material

Features

  • UV curable hard coating material developed for plastic substrates
  • Special resin compound enabling excellent scratch resistance, anti-smudge as well as bending durability
  • Transparent liquid providing high transmittance hard coating layer

Detailed Information

Properties
Item Test Condition Results
PMMA with
2 mm thick
PET with
50 μm thick
Thickness Approx. 10 μm Approx. 5 μm
Transmittance JIS K 7361-1 (Measured with Haze Meter [NIPPON DENSHOKU, NDH5000]) 92.2% 91.7%
Haze JIS K 7136 (Measured with Haze Meter [NIPPON DENSHOKU, NDH5000]) 0.2% 0.8%
Refractive Index Calculated from reflectance measured with Olympus USPM-RUⅢ 1.52-1.53 1.52-1.53
Adhesiveness Crosshatch tape test (3 times) Pass Pass
Pencil Hardness JIS K5600-5-4 (750 g load) 4H H
Scratch Resistance Steel wool #0000, 1 kg load, 10000 strokes No scratch No scratch
Contact Angle θ/2 method 105°(water) 105°(water)
68°(Oleic acid) 68°(Oleic acid)
Humidity Resistance 60℃, 90%RH, 1000 h Pass Pass
Hot Water Resistance 85℃ 96 h Pass Pass
UV Resistance Super Xenon irradiation, BP=63℃, 1000 h Pass Pass
Heat Resistance 80℃, 1000 h Pass Pass
Thermal Shock Resistance -40℃, 1 h ⇔ 85℃, 1 h x 100 cycles Pass Pass
Bending Durability φ6 mm (Yuasa System, DMLHB-FS) Outward bending, 200,000 times Pass
φ2 mm (Yuasa System, DMLHB-FS) Inward bending, 200,000 times Pass

 

Coating method: Bar coating
Curing condition: High pressure mercury lamp 80 W/cm, accumulated light 400 mJ/cm²
*The data in the table are for reference, not guaranteed value.

Liquid Characteristics
Item Characteristic
Appearance Transparent liquid
Solid Content Approx. 50%
Main Solvent PGM (Propylene glycol monomethylether)
Viscosity (25℃) 5-30 mPa・s
Stability No change in viscosity after storage at room temperature for 6 months

 

*The data in the table are for reference, not guaranteed value.

Applications

・Front panels
・Cover parts
・Special plastic lenses
・Film, and so on

 

 

*All the images used are for illustrative purpose only.

Brochure Request

For inquiries and brochure requests, please contact the following URL.

 

https://www.nidek-intl.com/contact/

NOTE

The availability of products differs from country to country depending on the status of approval.
Specifications and design are subject to change without notice.