The Foundation of Optical Performance. Choosing the right substrate is just as critical as the design itself.
From classic CR-39 to high-index MR polymers and impact-resistant Polycarbonate, Jings Eyewear provides comprehensive material solutions. This series explores the chemistry, coating compatibility, and manufacturing processes of each material type to help you build the perfect eyewear collection.
-------------- Explore Lens Materials ---------------
-------------- Technical Comparison Matrix ---------------
| Material | Refractive Index (nd) | Abbe Value (Clarity) | Specific Gravity (g/cm³) | Coating Recommendation |
|---|---|---|---|---|
| CR-39 | 1.499 | 58 (Excellent) | 1.32 | Tinting, HC, AR |
| Trivex | 1.53 | 45 (High) | 1.11 (Lightest) | Mirror, HC/AR |
| Polycarbonate | 1.586 | 30 (Low) | 1.20 | Requires Impact Primer |
| MR-8 (High Index) | 1.60 | 41 (Good) | 1.30 | Super Hydrophobic AR |
| High Index 1.74 | 1.74 (Thinnest) | 33 | 1.47 | Premium AR Essential |
*Abbe Value indicates optical dispersion. Higher numbers mean less chromatic aberration.
Used for: CR-39, MR-Series, Trivex
Liquid monomer is poured into glass molds and heated in large ovens for hours. This slow process creates lenses with superior internal optical structures and minimal stress, making them ideal for tinting and high-quality optical coatings.
Used for: Polycarbonate, Nylon, Acrylic
Pellets are melted and injected into molds under high pressure. This process is incredibly fast and produces exact shapes with high impact resistance. However, care must be taken during coating to manage material stress.
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