Optical Adhesive

Optical Adhesive

Optical adhesive is an optically transparent adhesive designed for bonding and gap-filling applications. It is adopted for fixation and lamination of components including glass, lenses and optical fibers, which can bond two or multiple optical elements into integrated optical assemblies compliant with optical path design specifications.

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Technical Parameters 

Status Test Item Units OL3002A OA4101SA AE007 OA7008A
Liquid State Appearance Transparent Translucent Translucent Translucent
Viscosity mPa·s 400–600 Non-flowing, Thixotropic 400 480±50
Solid Content % 100 100 100 100
Refractive Index nd 1.38 1.40 1.49 1.67
Curing Conditions Oxygen-free environment395nm LED, 5000mJ/cm² 365nm LED, 6000mJ/cm²Post-cure 85–100°C for 45min 365nm LED 200mW/cm² for 5minPost-cure 120°C for 1h 395nm LED, 6000mW/cm²
After Curing Refractive Index nd 1.40 1.42 1.52 1.71
Light Transmittance % >97 >90 >95 >95
Haze % <0.5 0.30 0.19
Yellowness Index % <0.3 0.25 0.45
Product Features High light transmittance
Suitable for UV coating
Suitable for glass bonding
Thixotropic property
Excellent high temperature resistance
Superior electrical insulation
Great bonding performance
Resistant to high-temperature yellowing Fast curing speed
High light transmittance
Low shrinkage rate

Product Features 

● Multiple resin systems available: acrylic, epoxy, silicone

● Wide refractive index selection range from low RI to high RI

● Excellent optical properties

● Great resistance and weather resistance

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