Full Production Craft of Premium Sunglasses: Complete Manufacturing Process From Raw Materials to Finished Products
Sunglasses are must-have outdoor accessories globally. Premium eye-safe sunglasses require dozens of precise manufacturing steps, every process decides wearing comfort and UV shielding effect.
1. Lens Production & Multi-Layer Coating
Lenses are made of resin, PC or nylon. Raw materials are molded into blanks, then digitally polished to eliminate visual distortion. After polishing, lenses receive vacuum multi-layer coating including UV400 anti-UV film, polarized anti-glare layer, scratch-resistant and waterproof coating to block harmful sunlight.
2. Frame Processing for Different Materials
- TR90 frames: Mass injection molded, lightweight and flexible for daily styles.
- Acetate frames: Handmade from laminated color sheets with unique textured appearance for high-end fashion lines.
- Metal frames: CNC cut & electroplated aluminum alloy/stainless steel, slim and delicate for business sunglasses.
3. Assembly & Strict Quality Inspection
Workers fit lenses, install hinges, nose pads and adjust frame tightness for all face shapes. All finished items pass strict lab tests: UV resistance, polarized performance, impact & corrosion tests. Defective goods are reworked, while qualified sunglasses get cleaned and packed for global delivery.
4. Industry Production Trend
Modern eyewear factories adopt automated production and upgraded nano coating for better sun protection. Eco-friendly raw materials and paint are widely used to satisfy global environmental standards. Professional craft ensures reliable UV protection and long service life for all outdoor sunglasses.
