Hard coating liquid & Primer

Hard coating liquid & Primer

Hard coating liquid for optical resin lenses forms a hardened protective film on lens surfaces. It delivers exceptional abrasion resistance, alongside superior UV resistance and high light transmittance and other premium optical properties. Meraker develops hard coating materials and customized solutions with various refractive indices to meet diverse application requirements.

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Technical Parameters 

Product Name Medium Refractive Index Hard Coating Liquid Medium Refractive Index Enhanced Hard Coating Liquid High Refractive Index Hard Coating Liquid Primer Coating
Test Item Test Method Units GHC4910A GHC4916 GHC6001 GPR5001
Applicable Coating Process – – Spin coating, dip coating, blade coating Spin coating, dip coating Spin coating, dip coating, blade coating
Viscosity Viscometer cps <10 <10 <10 <10
Solid Content Solid Content Tester % 36±2 36±2 30 5±2
RI Ellipsometer / 1.50 1.50 1.60 1.51
Adhesion Cross-hatch test after boiling in 10% brine % 5B
Steel Wool Abrasion Resistance Haze Meter % <0.5 <0.2 <0.5 –
Applicable Substrates CR-39, Acrylic, Polyurethane CR-39, Acrylic, Polyurethane High Refractive Index Resin Lenses PC, Nylon, Acrylic, UV-cured Substrates

Product Features 

  • High luminous transmittance
  • Excellent steel wool abrasion resistance
  • Low yellowness index

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

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