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Solventless UV-curable Adhesive (Developmental Product)

A solventless UV-curable adhesive.

Features

  • Solventless. Increases productivity because a drying process is unnecessary.
  • Aging is unnecessary. Shipping is possible immediately after processing.
  • Thick coatings possible.
  • High transparency.

Performance

Item
(Adhesive Film Thickness)
Measured Value
50 μm 175 μm
Peel strength (N/25 mm) SUS 22 23
PC 22 25
Glass 21 24
Retention (40°C, 1 kg) 1,440 min < 1,440 min <
Haze (H) *1 0.5% 0.5%
Yellowing factor (⊿YI) 0.4 0.8
Total light transmittance (Tt) *2 91.8% 91.7%
<Processing conditions>
Base material: None, Coating amount: 50 g, 175 g/m2, UV illumination conditions: Cumulative luminous energy 1,055 mJ/cm2 (273 mW/cm2 x 3.8 sec (UV-A)), after applying release PET, illuminated in 1 pass
<Notes>
  • *1: Measured value when bonded to glass (Glass Haze (H)=0.3%)
  • *2: Measured value when bonded to glass (Glass Total Light Transmittance (Tt)=91.8%)

Attributes

Active components
: 100%
Viscosity
: 4,000 mPa·s (@25°C)

Suitable Applications

  • Touchscreens
  • Optical applications
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