Lioduras™ LCH series — UV Curable High-hardness Hard Coating Agents

LCH2000/2500 series — UV Curable General Purpose Clear Hard Coatings

Features

  • LCH2000 Series : General type of hard coating.
  • LCH2500 series : Low-curl type of hard coating.
  • Used for various substrate (PET with primer, TAC, PC, PMMA)
LCH2000 series
LCH2500 series

Product CatalogPDF 1.70MB

Technical Information

Sample data of coated film

Evaluation method LCH2000 series
(High hardness)
LCH2500 series
(Low-curl)
Pencil hardness*:750g JIS K 5600-5-4 3H 2-3H
Scratch resistance* Steel wool #0000
(500g, 10round)
No scratches No scratches
Haze* JIS K 7105 < 1.0% < 1.0%
Total light transmittance* JIS K 7105 > 90% > 90%
Adhesiveness* Cross-cut test
(Old JIS K5400-8.5)
100/100 100/100
Curl* 10cm x 10cm
Height
0mm

Property values of 5 micrometer coated film on 50 micrometer PET base film.

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

Recommended curing conditions

Drying conditions 80℃, 1min.
Curing conditions High Pressure Mercury Lamp 80W/cm, Amount of lamp 400mJ/cm2

LCH6000 series — High Scratch Resistance Hard Coatings

Features

  • High scratch and stain resistance.
  • Combines hardness and flexibility.
  • Excellent scratch resistance wihout nitrogen purging process.
General clear hard coating
LCH6701

Product CatalogPDF 725.5KB

Technical Information

Sample data of coated film

Evaluation method LCH6701 LCH6701-5
Haze JIS K 7105 < 1.0% < 1.0%
Total light transmittance JIS K 7105 > 91% > 91%
Scratch resistance Steel wool #0000
(1kg/cm2)
5000 round
No scratches
1000 round
No scratches
Pencil hardness: 750g JIS K 5600-5-4 3H 3H
Water-contact angle Before scratch test 107° 107°
After scratch test 100°
Curl* Φ6mm No crack No crack
Feature Focus on scratch property Focus on flexibility
Mild molding is possible

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

Preparing conditions of samples for evaluation

Substrate PET (188μm)
Coating thickness About 5μm
Drying conditions 100°C, 2min.
UV curing conditions High-Pressure Mercury Lamp 80W/cm, Accumulated light amount 400mJ/cm2
N2 purge None
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Inquiries

Electronics Division
Toyochem Co., Ltd.
TEL : +81-3-3272-0905