Lioduras™ AQ series — UV Curable Aqueous Hard Coating Agents


  • Water-based and non-hazardous type of clear coating.
  • Eco-friendly type which have acheived low VOC emission.
  • Excellent hardness, scratch resistance and adhesion to substrate acheived.

Product CatalogPDF: 663.7KB

Technical Information

Coating Properties

AQ series
Appearance Milky white
Solid content (%) 40
Viscosity (mPa・s@25°C) 8
Solvent Water/Alcohol
Remarks Emulsion type

Sample data of coated film

Evaluation method AQ series Organic Solvent type
Pencil hardness: 750g JIS K 5600-5-4 H-2H H-2H
Scratch resistance Steel wool #0000
(1kg, 10 round)
No scratches No scratches
Adhesiveness Cross-cut test
(old JIS K5400-8.5)
100/100 100/100
Haze JIS K 7105 < 1.0% < 1.0%
Total light transmittance JIS K 7105 > 90% > 90%

The above data are the measured value but not our guaranteed performance.

Preparing conditions of samples for evaluation

Coating conditions Using bar coater, thickness of about 5μm
Substrate 125μm PET
Dry conditions 80°C, 1min.
Curing conditions High Pressure Mercury Lamp 80W/cm, Amount of lamp 400mJ/cm2
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Electronics Division
Toyochem Co., Ltd.
TEL : +81-3-3272-0905