Testing Methods

Cross-linker
  • L-55E：Coronate L-55E (by Tosoh Corporation)
  • HX：Coronate HX (by Tosoh Corporation)
  • T-C：TETRAD-C (by Mitsubishi Gas Chemical Company)
  • N-2128：Metal Chelate Cross-linker
Photo Initiator
  • I-184：Omnirad184（IGM Resins B.V.）
  • I-379：Omnirad379（IGM Resins B.V.）
Substrate PET film (25μm)
Adhesive Thickness 25μm
Drying 100℃ × 2 min
Aging 40℃ × 3 days
UV Irradiation

80W/cm (High-pressure marcury lamp), 13cmH × 6.5m/min
Adherend Polished SUS 304
Others (Details in grade lists)
Adhesion 180°peeling (peeling speed : 300mm/min, 23℃×50%RH)
2kg roller× two times forwards and backwards Measured at 30 minutes after attachment
Holding Power Attachment area 25mm×25mm, 2kg roller× two times forwards and backwards 40℃ and 80℃× 1kg load × 24 hours
  • 【Result】
    • ◎No-creep
    • ○ Creep less than 2mm (after 24 hr.)
    • △ Fallen within 24 hours
    • × Fallen within 1 hour
Ball Tack J.Dow Method ∠30° 23℃×50%RH
Optical Properties
(Total Light Transmittance, Haze)

Data of adhesive layer
*Alkali-free glasses are attached on both sides

(Alkali-free glass Total light transparency : 92.8%, Haze : 0.02%)

Total light transparency, Haze : Tested with haze mater compliant to JIS K 7361-1
Relative Permittivity PET(50μm) / Adhesive / PET(50μm)

This site has been created based on our technical knowledge, but does not necessarily guarantee performance in all applications. Similarly, figures contained herein are representative values, and not guaranteed values. Please use our products after fully examining their applicability, or contact us should you have any questions.

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Pressure Sensitive Adhesives -Acrylic copolymer　COPONYL™

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