Low Refractive Index Filling Adhesive

Low Refractive Index Filling Adhesive

This Low Refractive Index filling adhesive features refractive indices of 1.29, 1.35 and 1.38, and delivers superior optical properties including high transmittance and low haze, as well as excellent flowability and gap-filling performance. It is applied for filling and protecting micro-nano optical structures with minimal impact on light efficiency.

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TECHNICAL PARAMETERS

Status Test Item Units TF007A TF008C L2305F
Before Curing Solvent PGMEA Can Dilutable PGMEA
Viscosity cps 200-300 130±30 3-6
Solid Content % 100 100 25
RI 25℃@589nm 1.33 1.36
Film Forming Process N2, 365nm UV-LED
400mw/cm², 240 s
N2, 365nm UV-LED
500mw/cm², 240 s
Pre-bake 80℃,5min
Thermal curing 180℃,40min
After Curing RI 25℃@589nm 1.296
Transmittance % >91 93.51
Haze % <0.5 0.22
Product Features High transmittance & excellent gap-filling property High transmittance & Low haze Excellent adhesion to glass & High resistance to high-temperature baking

Product Features 

● Low refractive index;

Low light efficiency loss;

 High transmittance and low haze

 Excellent gap-filling performance

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We will respond to your inquiries via email within 24 hours.