Products & Solutions

REXWINR Series REXWIN UA-A2 adhesives

"REXWINR UA -A2 adhesives" is a UV curing adhesives. It exhibits excellent transparency and adhesive strength when laminated with transparent substrates (PET, acrylic, polycarbonate, glass, etc.) that transmit UV light. Ideal for bonding smartphone film modules, etc. This is a product with improved antifoaming properties of "REXWINRUA-A1 adhesives".

Dry curing method UV curing type
Packing 1kg
Purpose/Function Meter panel, glass, adhesive, amusement, adhesive, touch panel, metal, display, nameplate, package, card, insulation
Base material AC, PC, ABS, PVC, untreated PET, treated PET, treated PP, treated PE, painted board, paper, glass, synthetic paper
Printability Leveling property, hardening property
Post-processability Punching property
Paint film appearance Transparent, non-yellowing
Paint film properties adhesiveness, tackiness
Electrical properties Insulation
Characteristics (other)
  • It is possible to bond transparent substrates such as PET, acrylic, polycarbonate, and glass to each other, as well as to transparent substrates/evaporated substrates, paper, etc.
  • Excellent transparency and weather resistance.
Heat dry curing conditions

Approximately 480mJ/c㎡

Auxiliary agents, additives, cleaning solvents, etc.

SS Plate Cleaner ECO Series...A plate cleaning agent for screen printing that does not fall under organic regulations or the PRTR law. SD is the standard type, and QD is even faster drying.

Printing conditions

Screen printing (100-150 mesh, etc.), dispenser coating

How to use ink & precautions

If viscosity adjustment is required, please use "FDSS3 Regiuser" (addition amount 5% or less).

Physical properties

Composition: PET/PET (100μm)
UV curing: 480mJ/c㎡
Adhesive strength: Measured at 10cm/min using a Tensilon tensile tester on a 30mm wide sample

Relationship between irradiation light amount and adhesive strength Coating amount ~ Adhesive strength
  • Film properties
  • Composition: PET/PET (100μm)
  • UV curing:: 480mJ/c㎡
Item Test method result
Adhesive strength Tensile strength at film thickness 25μm (30mm width) 1.3 [Kg]
Optimal curing light amount 120w/cm Minimum light amount to balance adhesive strength with metal halide lamp 480 [mJ/cm2]
haze value Measurement using Nippon Denshoku Kogyo (NDH2000) 0.54
Transmittance Measurement using Nippon Denshoku Kogyo (NDH2000) 87.50%
Resistant to high temperature and high humidity environments b value after leaving at 65℃-90%RH for 100 hours +0.38
Weatherability b value after 100 hours exposure with xenon weather meter +1.40
Refractive index *1 Measurement with an Appe refractometer 1.496
Solvent resistance *1 Drop IPA, ethyl acetate, toluene, MEK solvent onto the cured film for 10 minutes.
Appearance change after removal (visual judgment of degree of whitening)
IPA:○
Ethyl acetate:○△
Toluene:○
MEK:△
Electrical resistance value *1 Measure the surface resistance value with YHP High Resistometer 4329A 1.3×E14 [?/□]
Relative permittivity *1 JIS K6911 (1MHz) 3.8

*1: Tested with PET/ adhesives composition.

Other product data

Plate cleaning
Please use aromatic hydrocarbon, ester, or ketone solvents.
We recommend our company's "SS Hansen Jouzai C".

Viscosity: 40±10 dPa・S/25℃

Requests for use
  1. This document is an example of our test data, and the properties obtained will vary depending on printing/processing conditions, base materials, etc., and are not guaranteed.
    Before using the product, please carefully check its intended use.
  2. Before handling this product, be sure to read the "Product Safety Data Sheet" and handle with care.
  3. If you wish to export this product overseas, please be sure to check with us.

Inquiries

TOYO INK CO., LTD. Marketing Division Business Planning Department

TOYO INK CO., LTD.